{"action":"Upgrade libheif to 1.23.1-1 or later.","affected":[{"fixed":"1.23.1-1","introduced":"0"}],"component":"libheif","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.23.1-1"],"id":"tcs_01M5NSNHKE68K6WGCQQ7Y20HNW","modified_at":"2026-10-26T12:02:58.071818318Z","published_at":"2026-06-19T18:16:19.353Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-49271","https://security-tracker.debian.org/tracker/CVE-2026-49271"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-49271#Debian:14/libheif","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-49271"}],"summary":"libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.1, the uncompressed HEIF decoder validates explicit icef compressed-unit offsets using unit_offset + unit_size. Becaus"}