{"action":"Upgrade gpac to 1.0.1+dfsg1-4+deb11u2 or later.","affected":[{"fixed":"1.0.1+dfsg1-4+deb11u2","introduced":"0"}],"component":"gpac","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1.0.1+dfsg1-4+deb11u2"],"id":"tcs_01M5NFZ8FKW8KT8X4KGEB1SME6","modified_at":"2026-08-27T23:04:10.141520226Z","published_at":"2022-01-13T19:15:08.407Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40576","https://security-tracker.debian.org/tracker/CVE-2021-40576"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40576","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40576"}],"summary":"The binary MP4Box in Gpac 1.0.1 has a null pointer dereference vulnerability in the gf_isom_get_payt_count function in hint_track.c, which allows attackers to cause a denial of service."}