{"id":"CVE-2025-13151","summary":"CVE-2025-13151","details":"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.","modified":"2026-08-12T03:30:14.719865822Z","published":"2026-01-07T21:14:05.223Z","related":["ALSA-2026:28235","ALSA-2026:28253","ALSA-2026:36728","SUSE-SU-2026:0118-1","SUSE-SU-2026:0224-1","SUSE-SU-2026:20051-1","SUSE-SU-2026:20355-1","SUSE-SU-2026:21001-1","SUSE-SU-2026:21142-1","openSUSE-SU-2026:10033-1","openSUSE-SU-2026:20470-1"],"database_specific":{"cna_assigner":"certcc","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13151.json"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/01/08/5"},{"type":"WEB","url":"https://www.kb.cert.org/vuls/id/271649"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13151.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13151"},{"type":"FIX","url":"https://gitlab.com/gnutls/libtasn1/-/merge_requests/121"},{"type":"PACKAGE","url":"https://gitlab.com/gnutls/libtasn1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gnutls/libtasn1","events":[{"introduced":"6b45b25e94ea538192cc0f97e9ad57171d1c6374"},{"last_affected":"6b45b25e94ea538192cc0f97e9ad57171d1c6374"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_STRING"],"cpe":"cpe:2.3:a:gnu:libtasn1:4.20.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"4.20.0"},{"introduced":"4.20.0"}]}}],"versions":["4.20.0","v4.20.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-13151.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}