{"action":"Upgrade libsixel to 1.10.3-1 or later.","affected":[{"fixed":"1.10.3-1","introduced":"0"}],"component":"libsixel","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.10.3-1"],"id":"tcs_01M5NFZDBTRNHKWCZM9WPACEBM","modified_at":"2026-10-23T18:03:27.815537711Z","published_at":"2022-04-08T16:15:08.117Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40656","https://security-tracker.debian.org/tracker/CVE-2021-40656"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40656#Debian:14/libsixel","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40656"}],"summary":"libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867."}