{"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":"2026-08-03T14:35:11.216905Z","published":"2021-08-11T20:15:08.933Z","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":"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"},{"fixed":"1653f31cf874eb6df964bea88d58d8e9b98b485e"}],"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_modified":"2026-08-03T14:35:11Z","vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"194204691264019566768488394689342251782","length":4800},"id":"CVE-2021-32437-a7edfa50","signature_type":"Function","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/1653f31cf874eb6df964bea88d58d8e9b98b485e","target":{"file":"src/media_tools/isom_hinter.c","function":"gf_hinter_finalize"}},{"digest":{"line_hashes":["103586568485483611519689273742001225406","60929300478513982591588198347846724010","283511247629345158603883919141433398839","131230762748847286345724969974075404722"],"threshold":0.9},"id":"CVE-2021-32437-d5152505","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/1653f31cf874eb6df964bea88d58d8e9b98b485e","target":{"file":"src/media_tools/isom_hinter.c"},"deprecated":false}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32437.json"}}],"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"}]}