{"id":"CVE-2021-32440","details":"The Media_RewriteODFrame function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command.","modified":"2026-08-03T14:35:12.960159Z","published":"2021-08-11T20:15:09.047Z","database_specific":{"unresolved_ranges":[{"vendor_product":"gpac:gpac","cpes":["cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.0.1"},{"last_affected":"1.0.1"}],"source":"CPE_STRING"}]},"references":[{"type":"REPORT","url":"https://github.com/gpac/gpac/issues/1772"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/f0ba83717b6e4d7a15a1676d1fe06152e199b011"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"f0ba83717b6e4d7a15a1676d1fe06152e199b011"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v1.0.0","v0.9.0","v0.9.0-preview","v0.6.0","v0.5.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32440.json","vanir_signatures_modified":"2026-08-03T14:35:12Z","vanir_signatures":[{"id":"CVE-2021-32440-151ab2a9","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/f0ba83717b6e4d7a15a1676d1fe06152e199b011","target":{"file":"src/isomedia/media_odf.c"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["292811837512840737309210831618477824843","56633421791632409623792356932421026123","264956963414089665641085356883450197099","146820989958733944269250255430742185742","181980390067410981225650029363788127974","41416744485024878536798274186716972892","16902254216702133421594119075493294590","6605820715595722175577025891883093545","25162462372951742005191344929784154815","300522819488476776236630047404130355831","129265925869228689214539046750827331092","280517253436087807076794070823613907265","135875341899129305900183644227566278709"]}},{"id":"CVE-2021-32440-a1b8cd72","signature_type":"Function","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/f0ba83717b6e4d7a15a1676d1fe06152e199b011","target":{"file":"src/isomedia/media_odf.c","function":"Media_RewriteODFrame"},"deprecated":false,"digest":{"function_hash":"28016070447758118403828827648709978682","length":5180}}]}}],"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"}]}