{"id":"CVE-2021-28300","aliases":["DEBIAN-CVE-2021-28300","EUVD-2021-14989","GHSA-5wqc-3hgv-x49w","UBUNTU-CVE-2021-28300"],"status":"published","title":"NULL Pointer Dereference in the \"isomedia/track.c\" module's \"MergeTrack()\" function of GPAC v0.5...","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02082,"percentile":0.81782,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2021-04-14T13:51:42Z","modified":"2026-10-20T10:49:38Z","fixes":[{"ecosystem":"Debian:11","package":"gpac","fixed_in":["1.0.1+dfsg1-4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:11","package":"ccextractor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.88+ds1-1","0.93+ds1-1","0.93+ds2-1","0.93+ds2-2","0.94+ds1-1","0.94+ds1-2","0.94+ds1-3"]},{"source":"osv","ecosystem":"Debian:11","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1+dfsg1-4"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.0+svn4288~dfsg1-1ubuntu1","0.5.0+svn4288~dfsg1-4","0.5.0+svn4288~dfsg1-4ubuntu1","0.5.0+svn4288~dfsg1-4ubuntu1+esm1","0.5.0+svn4288~dfsg1-4ubuntu1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.2-426-gc5ad4e4+dfsg5-1build1","0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1","0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.2-426-gc5ad4e4+dfsg5-3","0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1","0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.2-426-gc5ad4e4+dfsg5-4ubuntu1","0.5.2-426-gc5ad4e4+dfsg5-5","0.5.2-426-gc5ad4e4+dfsg5-5ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1+dfsg1-4","1.0.1+dfsg1-5","2.0.0+dfsg1-2","2.0.0+dfsg1-2ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"gpac","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.1+dfsg1-3","2.2.1+dfsg1-3.1","2.2.1+dfsg1-3.1build1","2.2.1+dfsg1-3.1build2","2.2.1+dfsg1-3.1ubuntu0.1~esm2"]}],"products":[{"vendor":"gpac","product":"gpac"}],"references":[{"url":"https://github.com/gpac/gpac/issues/1702","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28300"},{"url":"https://github.com/advisories/GHSA-5wqc-3hgv-x49w"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-28300","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-28300","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-28300","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-28300","description":"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.","status":"published","published":"2021-04-14T13:51:42Z","modified":"2024-08-03T21:40:13.313Z","updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-14989","description":"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.","status":"published","published":"2021-04-14T13:51:42Z","modified":"2024-08-03T21:40:13Z","updated_at":"2026-11-03T03:24:47.350261Z"}],"ghsa":[{"id":"GHSA-5wqc-3hgv-x49w","title":"NULL Pointer Dereference in the \"isomedia/track.c\" module's \"MergeTrack()\" function of GPAC v0.5...","description":"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.","status":"published","published":"2022-05-24T17:47:37Z","modified":"2023-01-29T05:06:23Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:46:00.528527Z"}],"nvd":[{"id":"CVE-2021-28300","description":"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.","status":"published","published":"2021-04-14T14:15:14.053Z","modified":"2026-06-17T03:46:07.773Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:51.610648Z"}],"osv":[{"id":"CVE-2021-28300","description":"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.","status":"published","published":"2021-04-14T14:15:14.053Z","modified":"2026-10-20T10:49:38.016672219Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"DEBIAN-CVE-2021-28300","description":"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.","status":"published","published":"2021-04-14T14:15:14.053Z","modified":"2026-08-27T23:04:00.244418922Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:34.94143Z"},{"id":"UBUNTU-CVE-2021-28300","description":"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.","status":"published","published":"2021-04-14T14:15:00Z","modified":"2026-04-22T12:50:28.844783Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:26.779273Z"}]}}