{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-01T20:28:27.060","vulnerabilities":[{"cve":{"id":"CVE-2023-0464","sourceIdentifier":"openssl-security@openssl.org","published":"2023-03-22T17:15:13.130","lastModified":"2026-06-17T05:25:36.637","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A security vulnerability has been identified in all supported versions\n\nof OpenSSL related to the verification of X.509 certificate chains\nthat include policy constraints.  Attackers may be able to exploit this\nvulnerability by creating a malicious certificate chain that triggers\nexponential use of computational resources, leading to a denial-of-service\n(DoS) attack on affected systems.\n\nPolicy processing is disabled by default but can be enabled by passing\nthe `-policy' argument to the command line utilities or by calling the\n`X509_VERIFY_PARAM_set1_policies()' function."}],"affected":[{"source":"openssl-security@openssl.org","affectedData":[{"vendor":"OpenSSL","product":"OpenSSL","defaultStatus":"unaffected","versions":[{"version":"3.1.0","lessThan":"3.1.1","versionType":"semver","status":"affected"},{"version":"3.0.0","lessThan":"3.0.9","versionType":"semver","status":"affected"},{"version":"1.1.1","lessThan":"1.1.1u","versionType":"custom","status":"affected"},{"version":"1.0.2","lessThan":"1.0.2zh","versionType":"custom","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:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-04-23T13:26:32.875761Z","id":"CVE-2023-0464","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA 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List","Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/06/msg00011.html","source":"openssl-security@openssl.org"},{"url":"https://security.gentoo.org/glsa/202402-08","source":"openssl-security@openssl.org"},{"url":"https://security.netapp.com/advisory/ntap-20240621-0006/","source":"openssl-security@openssl.org"},{"url":"https://www.couchbase.com/alerts/","source":"openssl-security@openssl.org"},{"url":"https://www.debian.org/security/2023/dsa-5417","source":"openssl-security@openssl.org"},{"url":"https://www.openssl.org/news/secadv/20230322.txt","source":"openssl-security@openssl.org","tags":["Vendor Advisory"]},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2017771e2db3e2b96f89bbe8766c3209f6a99545","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing 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