{"id":"CVE-2021-33366","details":"Memory leak in the gf_isom_oinf_read_entry function in MP4Box in GPAC 1.0.1 allows attackers to read memory via a crafted file.","modified":"2026-08-03T14:35:15.885537Z","published":"2021-09-13T19:15:14.587Z","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":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5411"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/0a85029d694f992f3631e2f249e4999daee15cbf"},{"type":"FIX","url":"https://github.com/gpac/gpac/issues/1785"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"0a85029d694f992f3631e2f249e4999daee15cbf"}],"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":[{"source":"https://github.com/gpac/gpac/commit/0a85029d694f992f3631e2f249e4999daee15cbf","target":{"file":"src/isomedia/avc_ext.c"},"deprecated":false,"digest":{"line_hashes":["300921247869268374670114649845646114000","268115012844309457581256500449888999880","112605582290686948143665129381495412118","167233635158787946113545385271266292907","339594173779950548247693231596897312929"],"threshold":0.9},"id":"CVE-2021-33366-055ee822","signature_type":"Line","signature_version":"v1"},{"signature_version":"v1","source":"https://github.com/gpac/gpac/commit/0a85029d694f992f3631e2f249e4999daee15cbf","target":{"file":"src/isomedia/avc_ext.c","function":"gf_isom_oinf_read_entry"},"deprecated":false,"digest":{"function_hash":"221996246729804369847592071767377089397","length":2999},"id":"CVE-2021-33366-68dbf00a","signature_type":"Function"}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-33366.json","vanir_signatures_modified":"2026-08-03T14:35:15Z"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"}]}