{"id":"CVE-2021-32137","details":"Heap buffer overflow in the URL_GetProtocolType 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":"2026-08-03T14:35:11.961268Z","published":"2021-09-13T14:15:09.640Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.0.1"},{"last_affected":"1.0.1"}],"source":"CPE_STRING","vendor_product":"gpac:gpac"}]},"references":[{"type":"FIX","url":"https://github.com/gpac/gpac/commit/328def7d3b93847d64ecb6e9e0399684e57c3eca"},{"type":"EVIDENCE","url":"https://github.com/gpac/gpac/issues/1766"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"328def7d3b93847d64ecb6e9e0399684e57c3eca"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v1.0.0","v0.9.0","v0.9.0-preview","v0.6.0","v0.5.2"],"database_specific":{"vanir_signatures":[{"signature_type":"Function","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/328def7d3b93847d64ecb6e9e0399684e57c3eca","target":{"function":"Media_CheckDataEntry","file":"src/isomedia/media.c"},"deprecated":false,"digest":{"function_hash":"284792179839374304082149816269135201397","length":826},"id":"CVE-2021-32137-2e1c2167"},{"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["291249380859904332633641164920843666578","226897459076574812555870498271110113061","335433438652266364451620202234763074335","230842406680219397682270184490128442553","224490458383372915941042163679871284762","208175748052662061258604624397459148150","340234610476939007714845125844834320246"]},"id":"CVE-2021-32137-5b35e7ee","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/328def7d3b93847d64ecb6e9e0399684e57c3eca","target":{"file":"src/isomedia/media.c"}}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32137.json","vanir_signatures_modified":"2026-08-03T14:35:11Z"}}],"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"}]}