{"id":"DEBIAN-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":"2026-09-01T16:06:08.847810910Z","published":"2026-01-07T22:15:43.200Z","upstream":["CVE-2025-13151"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-13151"}],"affected":[{"package":{"name":"libtasn1-6","ecosystem":"Debian:12","purl":"pkg:deb/debian/libtasn1-6?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.19.0-2","4.19.0-2+deb12u1","4.19.0-3","4.20.0-1","4.20.0-2","4.21.0-1","4.21.0-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-13151.json"}},{"package":{"name":"libtasn1-6","ecosystem":"Debian:13","purl":"pkg:deb/debian/libtasn1-6?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.0-2+deb13u1"}]}],"versions":["4.20.0-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-13151.json"}},{"package":{"name":"libtasn1-6","ecosystem":"Debian:14","purl":"pkg:deb/debian/libtasn1-6?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.21.0-2"}]}],"versions":["4.20.0-2","4.21.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-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"}]}