{"action":"Upgrade libheif to 1.23.3-1 or later.","affected":[{"fixed":"1.23.3-1","introduced":"0"}],"component":"libheif","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.23.3-1"],"id":"tcs_01M5NVYMX5ZP19TS87V1J5C814","modified_at":"2026-09-28T10:00:07.223293188Z","published_at":"2026-09-18T16:17:13.320Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-84451","https://security-tracker.debian.org/tracker/CVE-2026-84451"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-84451#Debian:14/libheif","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-84451"}],"summary":"libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.3, the no-icef full-item branch of unc_decoder::get_compressed_image_data_uncompressed() in libheif/codecs/uncompress"}