CVE-2026-5419 (GCVE-0-2026-5419)
Vulnerability from cvelistv5
Published
2026-06-01 19:26
Modified
2026-08-25 10:04
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-208 - Observable Timing Discrepancy
Summary
A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.
References
https://access.redhat.com/errata/RHSA-2026:13274 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20612 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20613 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26319 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:26409 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:29197 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30004 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:32962 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58981 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-5419 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2467686 issue-tracking, x_refsource_REDHAT
https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13
Impacted products
Vendor Product Version
Version: 0
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.8.10-4.el10_2   < *
    cpe:/o:redhat:enterprise_linux:10.2
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:3.8.9-9.el10_0.19   < *
    cpe:/o:redhat:enterprise_linux_eus:10.0
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:3.8.10-4.el9_8   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:3.8.10-4.el9_8   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Unaffected: 0:3.8.3-4.el9_4.6   < *
    cpe:/a:redhat:rhel_e4s:9.4::appstream
    cpe:/o:redhat:rhel_e4s:9.4::baseos
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:3.8.3-6.el9_6.4   < *
    cpe:/a:redhat:rhel_eus:9.6::appstream
    cpe:/o:redhat:rhel_eus:9.6::baseos
 Create a notification for this product.
   Red Hat Red Hat Discovery 2 Unaffected: 1782159791   < *
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
   Red Hat Red Hat Discovery 2 Unaffected: 1782166952   < *
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
   Red Hat Red Hat Hardened Images Unaffected: 3.8.13-1.hum1   < *
    cpe:/a:redhat:hummingbird:1
 Create a notification for this product.
   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525684   < *
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525671   < *
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525693   < *
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525739   < *
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1787241211   < *
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1787135742   < *
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1787241260   < *
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
   Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
 Create a notification for this product.
   Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5419",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-02T12:35:30.709028Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-02T12:35:40.969Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://gitlab.com/gnutls/gnutls",
          "packageName": "gnutls",
          "versions": [
            {
              "status": "affected",
              "version": "0"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.2"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.8.10-4.el10_2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux_eus:10.0"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.8.9-9.el10_0.19",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/o:redhat:enterprise_linux:9::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.8.10-4.el9_8",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/o:redhat:enterprise_linux:9::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.8.10-4.el9_8",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.4::appstream",
            "cpe:/o:redhat:rhel_e4s:9.4::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.8.3-4.el9_4.6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.6::appstream",
            "cpe:/o:redhat:rhel_eus:9.6::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.8.3-6.el9_6.4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:discovery:2::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "discovery/discovery-server-rhel9",
          "product": "Red Hat Discovery 2",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1782159791",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:discovery:2::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "discovery/discovery-ui-rhel9",
          "product": "Red Hat Discovery 2",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1782166952",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:hummingbird:1"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls-main",
          "product": "Red Hat Hardened Images",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "3.8.13-1.hum1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhui5/cds-rhel9",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1781525684",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhui5/haproxy-rhel9",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1781525671",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhui5/installer-rhel9",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1781525693",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhui5/rhua-rhel9",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1781525739",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhui5/cds-kubernetes-tp-rhel9",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1787241211",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhui5/installer-tp-rhel9",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1787135742",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhui5/rhua-tp-rhel9",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "1787241260",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "unknown",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "unaffected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:openshift:4"
          ],
          "defaultStatus": "unknown",
          "packageName": "openshift4/ose-hypershift-rhel9",
          "product": "Red Hat OpenShift Container Platform 4",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:openshift:4"
          ],
          "defaultStatus": "affected",
          "packageName": "openshift/ose-rhel-coreos-9",
          "product": "Red Hat OpenShift Container Platform 4",
          "vendor": "Red Hat"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank Doria Tang (Stony Brook University) for reporting this issue."
        }
      ],
      "datePublic": "2026-04-29T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Low"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-208",
              "description": "Observable Timing Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-25T10:04:20.068Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2026:13274",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:13274"
        },
        {
          "name": "RHSA-2026:20612",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:20612"
        },
        {
          "name": "RHSA-2026:20613",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:20613"
        },
        {
          "name": "RHSA-2026:26319",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:26319"
        },
        {
          "name": "RHSA-2026:26409",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:26409"
        },
        {
          "name": "RHSA-2026:29197",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:29197"
        },
        {
          "name": "RHSA-2026:30004",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:30004"
        },
        {
          "name": "RHSA-2026:32962",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:32962"
        },
        {
          "name": "RHSA-2026:58981",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:58981"
        },
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2026-5419"
        },
        {
          "name": "RHBZ#2467686",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467686"
        },
        {
          "url": "https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-07T11:02:44.331Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2026-04-29T00:00:00.000Z",
          "value": "Made public."
        }
      ],
      "title": "Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      },
      "x_redhatCweChain": "CWE-208: Observable Timing Discrepancy"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2026-5419",
    "datePublished": "2026-06-01T19:26:56.524Z",
    "dateReserved": "2026-04-02T11:07:20.944Z",
    "dateUpdated": "2026-08-25T10:04:20.068Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-5419\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-02T12:35:30.709028Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-02T12:35:34.819Z\"}}], \"cna\": {\"title\": \"Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal\", \"credits\": [{\"lang\": \"en\", \"value\": \"Red Hat would like to thank Doria Tang (Stony Brook University) for reporting this issue.\"}], \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Low\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 3.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}}], \"affected\": [{\"versions\": [{\"status\": \"affected\", \"version\": \"0\"}], \"packageName\": \"gnutls\", \"collectionURL\": \"https://gitlab.com/gnutls/gnutls\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:10.2\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 10\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:3.8.10-4.el10_2\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux_eus:10.0\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 10.0 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:3.8.9-9.el10_0.19\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:9::appstream\", \"cpe:/o:redhat:enterprise_linux:9::baseos\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:3.8.10-4.el9_8\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:9::appstream\", \"cpe:/o:redhat:enterprise_linux:9::baseos\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:3.8.10-4.el9_8\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.4::appstream\", \"cpe:/o:redhat:rhel_e4s:9.4::baseos\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:3.8.3-4.el9_4.6\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.6::appstream\", \"cpe:/o:redhat:rhel_eus:9.6::baseos\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.6 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:3.8.3-6.el9_6.4\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:discovery:2::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Discovery 2\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1782159791\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"discovery/discovery-server-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:discovery:2::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Discovery 2\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1782166952\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"discovery/discovery-ui-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:hummingbird:1\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Hardened Images\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"3.8.13-1.hum1\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"gnutls-main\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1781525684\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhui5/cds-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1781525671\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhui5/haproxy-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1781525693\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhui5/installer-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1781525739\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhui5/rhua-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1787241211\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhui5/cds-kubernetes-tp-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1787135742\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhui5/installer-tp-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"1787241260\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"rhui5/rhua-tp-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:6\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 6\", \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 7\", \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8\", \"packageName\": \"gnutls\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:openshift:4\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift Container Platform 4\", \"packageName\": \"openshift4/ose-hypershift-rhel9\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/a:redhat:openshift:4\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat OpenShift Container Platform 4\", \"packageName\": \"openshift/ose-rhel-coreos-9\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-07T11:02:44.331Z\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2026-04-29T00:00:00.000Z\", \"value\": \"Made public.\"}], \"datePublic\": \"2026-04-29T00:00:00.000Z\", \"references\": [{\"url\": \"https://access.redhat.com/errata/RHSA-2026:13274\", \"name\": \"RHSA-2026:13274\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:20612\", \"name\": \"RHSA-2026:20612\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:20613\", \"name\": \"RHSA-2026:20613\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:26319\", \"name\": \"RHSA-2026:26319\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:26409\", \"name\": \"RHSA-2026:26409\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:29197\", \"name\": \"RHSA-2026:29197\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:30004\", \"name\": \"RHSA-2026:30004\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:32962\", \"name\": \"RHSA-2026:32962\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:58981\", \"name\": \"RHSA-2026:58981\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2026-5419\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2467686\", \"name\": \"RHBZ#2467686\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-13\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in gnutls. The PKCS#7 padding check, performed during decryption, was not constant-time. This timing side-channel could allow a remote attacker to potentially leak sensitive information about the padding bytes through observable timing differences. This vulnerability is a form of information disclosure.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-208\", \"description\": \"Observable Timing Discrepancy\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-08-25T10:04:20.068Z\"}, \"x_redhatCweChain\": \"CWE-208: Observable Timing Discrepancy\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-5419\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-25T10:04:20.068Z\", \"dateReserved\": \"2026-04-02T11:07:20.944Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-06-01T19:26:56.524Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.