{"action":"Upgrade gif2apng to 1.9+srconly-3+deb11u1 or later.","affected":[{"fixed":"1.9+srconly-3+deb11u1","introduced":"0"}],"component":"gif2apng","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1.9+srconly-3+deb11u1"],"id":"tcs_01M5NG305A0CD1TAE3G6AQ33EK","modified_at":"2026-08-27T23:04:43.241678687Z","published_at":"2021-12-28T01:15:07.520Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-45909","https://security-tracker.debian.org/tracker/CVE-2021-45909"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-45909","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-45909"}],"summary":"An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow vulnerability in the DecodeLZW function. It allows an attacker to write a large amount of arbitrary data outside the boun"}