{
  "id": "CVE-2023-35784",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-06-16T20:15:09.493",
  "lastModified": "2023-11-06T22:15:07.897",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "A double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3. NOTE: OpenSSL is not affected."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        },
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "3.6.3",
              "matchCriteriaId": "784B0777-194D-4E4A-874F-198BD201B508"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.7.0",
              "versionEndExcluding": "3.7.3",
              "matchCriteriaId": "0E68DCDD-212C-4EF0-AF5D-23CD66073680"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "6E6EC6AC-E2DE-4166-A762-AB6A88DF1C1E"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:openbsd:openbsd:7.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "3C8A4344-6ABE-4626-ADA4-3FA91F8D76C7"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ]
    },
    {
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54",
      "source": "cve@mitre.org"
    }
  ]
}