{"id":"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":"2026-04-22T18:29:19.700034704Z","published":"2026-01-07T22:15:43.200Z","related":["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"],"references":[{"type":"ADVISORY","url":"https://www.kb.cert.org/vuls/id/271649"},{"type":"FIX","url":"https://gitlab.com/gnutls/libtasn1/-/merge_requests/121"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2026/01/08/5"},{"type":"PACKAGE","url":"https://gitlab.com/gnutls/libtasn1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gnutls/libtasn1","events":[{"introduced":"0"},{"last_affected":"6b45b25e94ea538192cc0f97e9ad57171d1c6374"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.20.0"}]}}],"versions":["4.16.0","gnutls_0_5_0","gnutls_0_5_1","libasn1_0_1_0","libtasn1-0-3-2","libtasn1_0_1_2","libtasn1_0_2_0","libtasn1_0_2_1","libtasn1_0_2_10","libtasn1_0_2_11","libtasn1_0_2_12","libtasn1_0_2_13","libtasn1_0_2_14","libtasn1_0_2_15","libtasn1_0_2_16","libtasn1_0_2_17","libtasn1_0_2_18","libtasn1_0_2_2","libtasn1_0_2_3","libtasn1_0_2_4","libtasn1_0_2_5","libtasn1_0_2_6","libtasn1_0_2_7","libtasn1_0_2_8","libtasn1_0_2_9","libtasn1_0_3_0","libtasn1_0_3_1","libtasn1_0_3_10","libtasn1_0_3_2","libtasn1_0_3_3","libtasn1_0_3_4","libtasn1_0_3_5","libtasn1_0_3_6","libtasn1_0_3_7","libtasn1_0_3_8","libtasn1_0_3_9","libtasn1_1_0","libtasn1_1_1","libtasn1_1_2","libtasn1_1_3","libtasn1_1_4","libtasn1_1_5","libtasn1_1_6","libtasn1_2_0","libtasn1_2_1","libtasn1_2_10","libtasn1_2_11","libtasn1_2_12","libtasn1_2_13","libtasn1_2_2","libtasn1_2_3","libtasn1_2_4","libtasn1_2_5","libtasn1_2_6","libtasn1_2_7","libtasn1_2_8","libtasn1_2_9","libtasn1_3_0","libtasn1_3_1","libtasn1_3_2","libtasn1_3_3","libtasn1_3_4","libtasn1_3_5","libtasn1_3_6","libtasn1_4.7","libtasn1_4_0","libtasn1_4_1","libtasn1_4_11","libtasn1_4_12","libtasn1_4_13","libtasn1_4_14","libtasn1_4_15_0","libtasn1_4_16_0","libtasn1_4_2","libtasn1_4_3","libtasn1_4_4","libtasn1_4_5","libtasn1_4_6","libtasn1_4_8","libtasn1_4_9","libtasn1_after_rename","v4.16.0","v4.17.0","v4.18.0","v4.19.0","v4.20.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-13151.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}