{"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_01M5NVYMFC3RQ2AMTBZ2NKSQSZ","modified_at":"2026-10-01T03:03:51.268652124Z","published_at":"2026-09-18T16:17:13.160Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-84450","https://security-tracker.debian.org/tracker/CVE-2026-84450"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-84450#Debian:13/libheif","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-84450"}],"summary":"libheif is a HEIF and AVIF file format decoder and encoder. From 1.19.0 until 1.23.3, a crafted image item containing a clap property and an ispe width or height greater than INT32_MAX + 1 can reach c"}