{"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_01M5NVYFP6BQ8DY6VZPZ2EG09V","modified_at":"2026-10-01T03:03:51.269431352Z","published_at":"2026-09-18T16:17:12.677Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-84447","https://security-tracker.debian.org/tracker/CVE-2026-84447"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-84447#Debian:13/libheif","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-84447"}],"summary":"libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.1 and earlier, crafted grid, iovl, and iden reference graphs can repeatedly decode the same base image because processed_ids is copi"}