{"id":"ALSA-2026:28253","summary":"Low: libtasn1 security update","details":"A library that provides Abstract Syntax Notation One (ASN.1, as specified by the X.680 ITU-T recommendation) parsing and structures management, and Distinguished Encoding Rules (DER, as per X.690) encoding and decoding functions.  \n\nSecurity Fix(es):  \n\n  * libtasn1: libtasn1: Denial of Service via stack-based buffer overflow in asn1_expend_octet_string (CVE-2025-13151)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","modified":"2026-06-25T14:45:03.934430967Z","published":"2026-06-23T00:00:00Z","related":["CVE-2025-13151"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:28253"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-13151"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2427698"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-28253.html"}],"affected":[{"package":{"name":"libtasn1","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/libtasn1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28253.json"}},{"package":{"name":"libtasn1-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/libtasn1-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28253.json"}},{"package":{"name":"libtasn1-tools","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/libtasn1-tools"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28253.json"}}],"schema_version":"1.7.5"}