CVE-2026-8925 (GCVE-0-2026-8925)
Vulnerability from cvelistv5
Published
2026-07-03 06:15
Modified
2026-09-15 06:03
Severity ?
CWE
Summary
The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing the pointer in between, making it `free()` the same pointer twice.
Impacted products
Vendor Product Version
curl curl Version: 8.15.0   ≤
Version: 8.17.0   ≤
Create a notification for this product.
   curl curl Version: ab650379a8c25ca952f651476d25b4cdd77bb3fc
Create a notification for this product.
   curl curl Version: 8.20.0
Version: 8.19.0
Version: 8.18.0
Version: 8.17.0
Version: 8.16.0
Version: 8.15.0
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-8925",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-06T17:03:39.068747Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-06T17:04:15.411Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://hackerone.com/reports/3735193"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "curl",
          "vendor": "curl",
          "versions": [
            {
              "lessThan": "8.16.1",
              "status": "affected",
              "version": "8.15.0",
              "versionType": "semver"
            },
            {
              "lessThan": "8.20.1",
              "status": "affected",
              "version": "8.17.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "curl",
          "repo": "https://github.com/curl/curl.git",
          "vendor": "curl",
          "versions": [
            {
              "lessThan": "3da249e1f0716c06644ed3522a37a8bf81808012",
              "status": "affected",
              "version": "ab650379a8c25ca952f651476d25b4cdd77bb3fc",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "curl",
          "vendor": "curl",
          "versions": [
            {
              "status": "affected",
              "version": "8.20.0"
            },
            {
              "status": "affected",
              "version": "8.19.0"
            },
            {
              "status": "affected",
              "version": "8.18.0"
            },
            {
              "status": "affected",
              "version": "8.17.0"
            },
            {
              "status": "affected",
              "version": "8.16.0"
            },
            {
              "status": "affected",
              "version": "8.15.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Joshua Rogers (Aisle Research)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Viktor Szakats"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The curl logic that works with SASL authentication could end up cleaning up\nthe GSASL context *twice* without clearing the pointer in between, making it\n`free()` the same pointer twice."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-415",
              "description": "Double Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-15T06:03:22.227Z",
        "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "shortName": "curl"
      },
      "references": [
        {
          "url": "https://curl.se/docs/CVE-2026-8925.json"
        },
        {
          "url": "https://curl.se/docs/CVE-2026-8925.html"
        },
        {
          "url": "https://hackerone.com/reports/3735193"
        }
      ],
      "title": "SASL double-free",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      },
      "x_osv": {
        "affected": [
          {
            "ranges": [
              {
                "events": [
                  {
                    "introduced": "8.15.0"
                  },
                  {
                    "fixed": "8.16.1"
                  },
                  {
                    "introduced": "8.17.0"
                  },
                  {
                    "fixed": "8.20.1"
                  }
                ],
                "type": "SEMVER"
              },
              {
                "events": [
                  {
                    "introduced": "ab650379a8c25ca952f651476d25b4cdd77bb3fc"
                  },
                  {
                    "fixed": "3da249e1f0716c06644ed3522a37a8bf81808012"
                  }
                ],
                "repo": "https://github.com/curl/curl.git",
                "type": "GIT"
              }
            ],
            "versions": [
              "8.20.0",
              "8.19.0",
              "8.18.0",
              "8.17.0",
              "8.16.0",
              "8.15.0"
            ]
          }
        ],
        "aliases": [
          "CVE-2026-8925"
        ],
        "credits": [
          {
            "name": "Joshua Rogers (Aisle Research)",
            "type": "finder"
          },
          {
            "name": "Viktor Szakats",
            "type": "remediation developer"
          }
        ],
        "database_specific": {
          "CWE": {
            "desc": "Double Free",
            "id": "CWE-415"
          },
          "URL": "https://curl.se/docs/CVE-2026-8925.json",
          "affects": "both",
          "issue": "https://hackerone.com/reports/3735193",
          "last_affected": "8.20.0",
          "package": "curl",
          "severity": "Medium",
          "www": "https://curl.se/docs/CVE-2026-8925.html"
        },
        "details": "The curl logic that works with SASL authentication could end up cleaning up\nthe GSASL context *twice* without clearing the pointer in between, making it\n`free()` the same pointer twice.",
        "id": "CURL-CVE-2026-8925",
        "modified": "2026-09-07T10:34:51.00Z",
        "published": "2026-06-24T08:00:00.00Z",
        "schema_version": "1.5.0",
        "summary": "SASL double-free"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
    "assignerShortName": "curl",
    "cveId": "CVE-2026-8925",
    "datePublished": "2026-07-03T06:15:25.448Z",
    "dateReserved": "2026-05-19T08:11:49.032Z",
    "dateUpdated": "2026-09-15T06:03:22.227Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-8925\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-06T17:03:39.068747Z\"}}}], \"references\": [{\"url\": \"https://hackerone.com/reports/3735193\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-06T17:04:11.447Z\"}}], \"cna\": {\"title\": \"SASL double-free\", \"x_osv\": {\"id\": \"CURL-CVE-2026-8925\", \"aliases\": [\"CVE-2026-8925\"], \"credits\": [{\"name\": \"Joshua Rogers (Aisle Research)\", \"type\": \"finder\"}, {\"name\": \"Viktor Szakats\", \"type\": \"remediation developer\"}], \"details\": \"The curl logic that works with SASL authentication could end up cleaning up\\nthe GSASL context *twice* without clearing the pointer in between, making it\\n`free()` the same pointer twice.\", \"summary\": \"SASL double-free\", \"affected\": [{\"ranges\": [{\"type\": \"SEMVER\", \"events\": [{\"introduced\": \"8.15.0\"}, {\"fixed\": \"8.16.1\"}, {\"introduced\": \"8.17.0\"}, {\"fixed\": \"8.20.1\"}]}, {\"repo\": \"https://github.com/curl/curl.git\", \"type\": \"GIT\", \"events\": [{\"introduced\": \"ab650379a8c25ca952f651476d25b4cdd77bb3fc\"}, {\"fixed\": \"3da249e1f0716c06644ed3522a37a8bf81808012\"}]}], \"versions\": [\"8.20.0\", \"8.19.0\", \"8.18.0\", \"8.17.0\", \"8.16.0\", \"8.15.0\"]}], \"modified\": \"2026-09-07T10:34:51.00Z\", \"published\": \"2026-06-24T08:00:00.00Z\", \"schema_version\": \"1.5.0\", \"database_specific\": {\"CWE\": {\"id\": \"CWE-415\", \"desc\": \"Double Free\"}, \"URL\": \"https://curl.se/docs/CVE-2026-8925.json\", \"www\": \"https://curl.se/docs/CVE-2026-8925.html\", \"issue\": \"https://hackerone.com/reports/3735193\", \"affects\": \"both\", \"package\": \"curl\", \"severity\": \"Medium\", \"last_affected\": \"8.20.0\"}}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Joshua Rogers (Aisle Research)\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Viktor Szakats\"}], \"affected\": [{\"vendor\": \"curl\", \"product\": \"curl\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.15.0\", \"lessThan\": \"8.16.1\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"8.17.0\", \"lessThan\": \"8.20.1\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://github.com/curl/curl.git\", \"vendor\": \"curl\", \"product\": \"curl\", \"versions\": [{\"status\": \"affected\", \"version\": \"ab650379a8c25ca952f651476d25b4cdd77bb3fc\", \"lessThan\": \"3da249e1f0716c06644ed3522a37a8bf81808012\", \"versionType\": \"git\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"curl\", \"product\": \"curl\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.20.0\"}, {\"status\": \"affected\", \"version\": \"8.19.0\"}, {\"status\": \"affected\", \"version\": \"8.18.0\"}, {\"status\": \"affected\", \"version\": \"8.17.0\"}, {\"status\": \"affected\", \"version\": \"8.16.0\"}, {\"status\": \"affected\", \"version\": \"8.15.0\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://curl.se/docs/CVE-2026-8925.json\"}, {\"url\": \"https://curl.se/docs/CVE-2026-8925.html\"}, {\"url\": \"https://hackerone.com/reports/3735193\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"The curl logic that works with SASL authentication could end up cleaning up\\nthe GSASL context *twice* without clearing the pointer in between, making it\\n`free()` the same pointer twice.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-415\", \"description\": \"Double Free\"}]}], \"providerMetadata\": {\"orgId\": \"2499f714-1537-4658-8207-48ae4bb9eae9\", \"shortName\": \"curl\", \"dateUpdated\": \"2026-09-15T06:03:22.227Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-8925\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-15T06:03:22.227Z\", \"dateReserved\": \"2026-05-19T08:11:49.032Z\", \"assignerOrgId\": \"2499f714-1537-4658-8207-48ae4bb9eae9\", \"datePublished\": \"2026-07-03T06:15:25.448Z\", \"assignerShortName\": \"curl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Loading…