{"id":"ALSA-2026:33503","summary":"Important: giflib security update","details":"giflib is a library for reading and writing gif images.  \n\nSecurity Fix(es):  \n\n  * giflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension (CVE-2026-26740)\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":"2026-07-01T15:00:03.798354485Z","published":"2026-06-30T00:00:00Z","related":["CVE-2026-26740"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:33503"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-26740"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2448747"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-33503.html"}],"affected":[{"package":{"name":"giflib","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/giflib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.4-5.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:33503.json"}},{"package":{"name":"giflib-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/giflib-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.4-5.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:33503.json"}}],"schema_version":"1.7.5"}