{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2023-35784","sourceIdentifier":"cve@mitre.org","published":"2023-06-16T20:15:09.493","lastModified":"2026-06-17T06:05:12.160","vulnStatus":"Modified","cveTags":[],"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."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"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","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-12-17T17:05:14.971673Z","id":"CVE-2023-35784","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"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"},{"url":"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes"]},{"url":"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes"]},{"url":"https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}