{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"libheif","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NSG1AJK9010MAF1WGMPVK6","modified_at":"2026-10-25T10:00:25.566404946Z","published_at":"2026-07-21T22:17:12.957Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-47254","https://security-tracker.debian.org/tracker/CVE-2026-47254"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-47254","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-47254"}],"summary":"libheif is a HEIF and AVIF file format decoder and encoder. Prior to version 1.22.0, `Track::init_sample_timing_table()` in `libheif/sequences/track.cc` stores an out-of-bounds chunk index (`m_chunks."}