{"action":"Upgrade gpac to 1.0.1+dfsg1-4 or later.","affected":[{"fixed":"1.0.1+dfsg1-4","introduced":"0"}],"component":"gpac","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1.0.1+dfsg1-4"],"id":"tcs_01M5NFH9Y3EJ2RD2S1PC20VMK1","modified_at":"2026-08-27T23:04:00.244418922Z","published_at":"2021-04-14T14:15:14.053Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-28300","https://security-tracker.debian.org/tracker/CVE-2021-28300"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-28300#Debian:11/gpac","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-28300"}],"summary":"NULL Pointer Dereference in the \"isomedia/track.c\" module's \"MergeTrack()\" function of GPAC v0.5.2 allows attackers to execute arbitrary code or cause a Denial-of-Service (DoS) by uploading a maliciou"}