{"action":"Upgrade libheif to 1.23.4-1~deb13u1 or later.","affected":[{"fixed":"1.23.4-1~deb13u1","introduced":"0"}],"component":"libheif","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.23.4-1~deb13u1"],"id":"tcs_01M5NVYFBMR2M6DPWY2N01MVN4","modified_at":"2026-10-01T03:03:51.301851685Z","published_at":"2026-09-18T16:17:12.513Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-84446","https://security-tracker.debian.org/tracker/CVE-2026-84446"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-84446#Debian:13/libheif","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-84446"}],"summary":"libheif is a HEIF and AVIF file format decoder and encoder. Prior to 1.23.2, crafted HEIF sequence timing and edit-list data can make Track::init_sample_timing_table() compute a logical m_num_output_s"}