CVE-2026-42014 (GCVE-0-2026-42014)
Vulnerability from cvelistv5
Published
2026-06-16 00:49
Modified
2026-10-14 19:25
CWE
  • CWE-825 - Expired Pointer Dereference
Summary
A flaw was found in GnuTLS. The `gnutls_pkcs11_token_set_pin` function, used for changing the Security Officer PIN, can lead to a use-after-free vulnerability. This occurs when an attacker attempts to change the PIN with a NULL old PIN for a token that lacks a protected authentication path.
References
https://access.redhat.com/errata/RHSA-2026:13274 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20611 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-2026:30849 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:30850 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:32962 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:33125 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:41921 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:43575 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:58981 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72502 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:74674 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82304 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82322 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82347 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82354 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82372 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82857 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82888 vendor-advisory, x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-42014 vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2467451 issue-tracking, x_refsource_REDHAT
https://gitlab.com/gnutls/gnutls/-/issues/1766
https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-9
Impacted products
Vendor Product Version
Version: 0
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   Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:3.8.10-4.el10_2   < *
    cpe:/o:redhat:enterprise_linux:10.2
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   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
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   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:3.3.29-9.el7_9.2   < *
    cpe:/o:redhat:rhel_els:7
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:3.6.16-8.el8_10.6   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:3.6.16-8.el8_10.6   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:3.6.14-10.el8_4.1   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:4.13-3.el8_4.1   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:3.6.14-10.el8_4.1   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:4.13-3.el8_4.1   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:3.6.16-5.el8_6.5   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:4.13-3.el8_6.2   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 0:3.6.16-5.el8_6.5   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 0:4.13-3.el8_6.2   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
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   Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:3.6.16-7.el8_8.4   < *
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
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   Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:4.13-4.el8_8.1   < *
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
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   Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:3.6.16-7.el8_8.4   < *
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:4.13-4.el8_8.1   < *
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
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   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
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   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
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   Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:3.7.6-21.el9_2.7   < *
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
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   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
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   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
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.17 Unaffected: 1791371080   < *
    cpe:/a:redhat:cert_manager:1.17::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.17 Unaffected: 1791371069   < *
    cpe:/a:redhat:cert_manager:1.17::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.17 Unaffected: 1791788287   < *
    cpe:/a:redhat:cert_manager:1.17::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.17 Unaffected: 1791970484   < *
    cpe:/a:redhat:cert_manager:1.17::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.18 Unaffected: 1791459707   < *
    cpe:/a:redhat:cert_manager:1.18::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.18 Unaffected: 1791459711   < *
    cpe:/a:redhat:cert_manager:1.18::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.18 Unaffected: 1791459759   < *
    cpe:/a:redhat:cert_manager:1.18::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.18 Unaffected: 1789029076   < *
    cpe:/a:redhat:cert_manager:1.18::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.18 Unaffected: 1791966259   < *
    cpe:/a:redhat:cert_manager:1.18::el9
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   Red Hat Cert Manager support for Red Hat OpenShift release 1.20 Unaffected: 1790598593   < *
    cpe:/a:redhat:cert_manager:1.20::el9
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   Red Hat Red Hat Discovery 2 Unaffected: 1782159791   < *
    cpe:/a:redhat:discovery:2::el9
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   Red Hat Red Hat Discovery 2 Unaffected: 1782166952   < *
    cpe:/a:redhat:discovery:2::el9
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   Red Hat Red Hat Hardened Images Unaffected: 3.8.13-1.hum1   < *
    cpe:/a:redhat:hummingbird:1
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   Red Hat Red Hat OpenShift AI 3.4 Unaffected: 1790703542   < *
    cpe:/a:redhat:openshift_ai:3.4::el9
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   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525684   < *
    cpe:/a:redhat:rhui:5::el9
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   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525671   < *
    cpe:/a:redhat:rhui:5::el9
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   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525693   < *
    cpe:/a:redhat:rhui:5::el9
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   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1781525739   < *
    cpe:/a:redhat:rhui:5::el9
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   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1787241211   < *
    cpe:/a:redhat:rhui:5::el9
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   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1787135742   < *
    cpe:/a:redhat:rhui:5::el9
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   Red Hat Red Hat Update Infrastructure 5 Unaffected: 1787241260   < *
    cpe:/a:redhat:rhui:5::el9
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   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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   Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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   Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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   Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-42014",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-16T15:22:20.545240Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-16T17:10:49.943Z",
          "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:/o:redhat:rhel_els:7"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.3.29-9.el7_9.2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream",
            "cpe:/o:redhat:enterprise_linux:8::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.6.16-8.el8_10.6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream",
            "cpe:/o:redhat:enterprise_linux:8::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.6.16-8.el8_10.6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
            "cpe:/o:redhat:rhel_aus:8.4::baseos",
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.6.14-10.el8_4.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
            "cpe:/o:redhat:rhel_aus:8.4::baseos",
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "libtasn1",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.13-3.el8_4.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
            "cpe:/o:redhat:rhel_aus:8.4::baseos",
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.6.14-10.el8_4.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream",
            "cpe:/o:redhat:rhel_aus:8.4::baseos",
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "libtasn1",
          "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.13-3.el8_4.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.6::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
            "cpe:/o:redhat:rhel_aus:8.6::baseos",
            "cpe:/o:redhat:rhel_eus_long_life:8.6::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "gnutls",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:3.6.16-5.el8_6.5",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.6::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
            "cpe:/o:redhat:rhel_aus:8.6::baseos",
            "cpe:/o:redhat:rhel_eus_long_life:8.6::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "libtasn1",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:4.13-3.el8_6.2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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\"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in GnuTLS. 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      "dataType": "CVE_RECORD",
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  }
}


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Sightings

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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.
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  • 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.


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