{"action":"Upgrade gpac to 1.0.1+dfsg1-4+deb11u1 or later.","affected":[{"fixed":"1.0.1+dfsg1-4+deb11u1","introduced":"0"}],"component":"gpac","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1.0.1+dfsg1-4+deb11u1"],"id":"tcs_01M5NFDXX6M9JSWMF2129PN05S","modified_at":"2026-08-27T23:03:58.988966100Z","published_at":"2021-08-18T13:15:07.947Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-21854","https://security-tracker.debian.org/tracker/CVE-2021-21854"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-21854","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-21854"}],"summary":"Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input can cause"}