{"action":"Upgrade libsixel to 1:1.8.7-r2-1 or later.","affected":[{"fixed":"1:1.8.7-r2-1","introduced":"0"}],"component":"libsixel","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:1.8.7-r2-1"],"id":"tcs_01M5NS8DN1QH4VTZG9VFY12QF4","modified_at":"2026-10-27T09:47:44.158024969Z","published_at":"2026-05-14T20:17:08.703Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-44636","https://security-tracker.debian.org/tracker/CVE-2026-44636"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-44636#Debian:14/libsixel","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-44636"}],"summary":"libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, signed integer overflow in sixel_encode_highcolor's allocation size calculation can lead to a heap buff"}