{"id":"CVE-2021-40575","details":"The binary MP4Box in Gpac 1.0.1 has a null pointer dereference vulnerability in the mpgviddmx_process function in reframe_mpgvid.c, which allows attackers to cause a denial of service. This vulnerability is possibly due to an incomplete fix for CVE-2021-40566.","modified":"2026-08-07T17:02:51.058041Z","published":"2022-01-13T19:15:08.367Z","references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5411"},{"type":"REPORT","url":"https://github.com/gpac/gpac/issues/1905"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/5f2c2a16d30229b6241f02fa28e3d6b810d64858"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"},{"last_affected":"d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"},{"fixed":"5f2c2a16d30229b6241f02fa28e3d6b810d64858"}],"database_specific":{"cpe":"cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.0.1"},{"last_affected":"1.0.1"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["1.0.1","v1.0.1"],"database_specific":{"vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"238548266912089028535286901083867122245","length":11632},"id":"CVE-2021-40575-74545e4b","signature_type":"Function","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/5f2c2a16d30229b6241f02fa28e3d6b810d64858","target":{"file":"src/filters/reframe_mpgvid.c","function":"mpgviddmx_process"}},{"deprecated":false,"digest":{"line_hashes":["238283239651046288442868624494354388708","161142280365678938413144336780536763427","44357155248538026696390231919038228746"],"threshold":0.9},"id":"CVE-2021-40575-96ad76d5","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/5f2c2a16d30229b6241f02fa28e3d6b810d64858","target":{"file":"src/filters/reframe_mpgvid.c"}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40575.json","vanir_signatures_modified":"2026-08-07T17:02:51Z"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}