{"id":"CVE-2021-32136","details":"Heap buffer overflow in the print_udta function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.","modified":"2026-04-11T17:12:32.070493Z","published":"2021-09-13T13:15:07.360Z","references":[{"type":"FIX","url":"https://github.com/gpac/gpac/commit/eb71812fcc10e9c5348a5d1c61bd25b6fa06eaed"},{"type":"EVIDENCE","url":"https://github.com/gpac/gpac/issues/1765"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"last_affected":"d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"},{"fixed":"eb71812fcc10e9c5348a5d1c61bd25b6fa06eaed"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.0.1"}]}}],"versions":["v0.5.2","v0.6.0","v0.7.0","v0.7.1","v0.9.0","v0.9.0-preview","v1.0.0","v1.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32136.json","vanir_signatures":[{"source":"https://github.com/gpac/gpac/commit/eb71812fcc10e9c5348a5d1c61bd25b6fa06eaed","digest":{"length":1017,"function_hash":"36863433897982644770268991010649461290"},"signature_type":"Function","id":"CVE-2021-32136-2f8d847d","target":{"file":"applications/mp4box/filedump.c","function":"print_udta"},"signature_version":"v1","deprecated":false},{"source":"https://github.com/gpac/gpac/commit/eb71812fcc10e9c5348a5d1c61bd25b6fa06eaed","digest":{"line_hashes":["58874632173463556490705745927249507885","254737507906734591712125367210705725677","210086047198344521558311930983177776831","86267620270954809777072179599581061051","40934953520414365288160210099305033374","209942547727856146407027009612221990987","158585693262689208580972187273282147750","273071986045586493816263364720787702890","128469750192360811734595297674734244483"],"threshold":0.9},"signature_type":"Line","id":"CVE-2021-32136-4399feb0","target":{"file":"applications/mp4box/filedump.c"},"signature_version":"v1","deprecated":false}],"vanir_signatures_modified":"2026-04-11T17:12:32Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}