{"id":"CVE-2025-13151","state":"PUBLISHED","title":"CVE-2025-13151","description":"Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.","publishedAt":"2026-01-07T21:14:05.223Z","updatedAt":"2026-01-20T17:08:41.712Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["GnuTLS libtasn1"],"affected":[{"vendor":"GnuTLS","product":"libtasn1","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.20.0","versionType":"semver"}]}],"references":["https://gitlab.com/gnutls/libtasn1","https://gitlab.com/gnutls/libtasn1/-/merge_requests/121","http://www.openwall.com/lists/oss-security/2026/01/08/5","https://www.kb.cert.org/vuls/id/271649"],"weaknesses":[],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/13xxx/CVE-2025-13151.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-13151","state":"PUBLISHED","datePublished":"2026-01-07T21:14:05.223Z","dateUpdated":"2026-01-20T17:08:41.712Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2025-11-13T21:14:53.973Z"},"containers":{"cna":{"title":"CVE-2025-13151","descriptions":[{"lang":"en","value":"Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string."}],"affected":[{"vendor":"GnuTLS","product":"libtasn1","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.20.0","versionType":"semver"}]}],"references":[{"url":"https://gitlab.com/gnutls/libtasn1","name":"Source Code Respoitory"},{"url":"https://gitlab.com/gnutls/libtasn1/-/merge_requests/121","name":"Proposed Pull Request","tags":["patch"]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]},{"descriptions":[{"lang":"en","description":"CWE-121 Stack-based Buffer Overflow"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-01-07T21:15:56.927Z"},"source":{"discovery":"EXTERNAL"},"credits":[{"lang":"en","value":"This issue was reported Benny Zelster from Microsoft Security Research","type":"finder"}],"x_generator":{"engine":"VINCE 3.0.31","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2025-13151"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-01-07T21:32:59.782767Z","id":"CVE-2025-13151","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-07T21:33:12.865Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/01/08/5"},{"url":"https://www.kb.cert.org/vuls/id/271649"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-01-20T17:08:41.712Z"}}]}}}