{"id":"CVE-2021-32437","details":"The gf_hinter_finalize 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":"2026-04-11T17:12:34.685522Z","published":"2021-08-11T20:15:08.933Z","references":[{"type":"REPORT","url":"https://github.com/gpac/gpac/issues/1770"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/1653f31cf874eb6df964bea88d58d8e9b98b485e"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"last_affected":"d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"},{"fixed":"1653f31cf874eb6df964bea88d58d8e9b98b485e"}],"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":{"vanir_signatures":[{"deprecated":false,"signature_type":"Function","id":"CVE-2021-32437-a7edfa50","source":"https://github.com/gpac/gpac/commit/1653f31cf874eb6df964bea88d58d8e9b98b485e","digest":{"length":4800,"function_hash":"194204691264019566768488394689342251782"},"signature_version":"v1","target":{"function":"gf_hinter_finalize","file":"src/media_tools/isom_hinter.c"}},{"deprecated":false,"signature_type":"Line","id":"CVE-2021-32437-d5152505","source":"https://github.com/gpac/gpac/commit/1653f31cf874eb6df964bea88d58d8e9b98b485e","digest":{"line_hashes":["103586568485483611519689273742001225406","60929300478513982591588198347846724010","283511247629345158603883919141433398839","131230762748847286345724969974075404722"],"threshold":0.9},"signature_version":"v1","target":{"file":"src/media_tools/isom_hinter.c"}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32437.json","vanir_signatures_modified":"2026-04-11T17:12:34Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}