{"id":"CVE-2021-28300","details":"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 malicious MP4 file.","modified":"2026-03-14T08:23:59.807949Z","published":"2021-04-14T14:15:14.053Z","references":[{"type":"EVIDENCE","url":"https://github.com/gpac/gpac/issues/1702"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"last_affected":"cb0a053f47173556f193c2d996262d8c6aaac9bb"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.5.2"}]}}],"versions":["v0.5.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28300.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}