{"id":"CVE-2021-33362","details":"Stack buffer overflow in the hevc_parse_vps_extension 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":"2026-08-03T14:35:13.935016Z","published":"2021-09-13T19:15:12.257Z","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/1273cdc706eeedf8346d4b9faa5b33435056061d"},{"type":"FIX","url":"https://github.com/gpac/gpac/issues/1780"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"1273cdc706eeedf8346d4b9faa5b33435056061d"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v1.0.0","v0.9.0","v0.9.0-preview","v0.6.0","v0.5.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-33362.json","vanir_signatures_modified":"2026-08-03T14:35:13Z","vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["156453034275860195751118554467831625006","278350946933998893876045049577207316467","292344529475341452140739090620657628091"],"threshold":0.9},"id":"CVE-2021-33362-a4d76a98","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d","target":{"file":"src/media_tools/av_parsers.c"}},{"signature_version":"v1","source":"https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d","target":{"file":"src/media_tools/av_parsers.c","function":"hevc_parse_vps_extension"},"deprecated":false,"digest":{"length":9286,"function_hash":"199429521635279753719972385502701430293"},"id":"CVE-2021-33362-b4046db8","signature_type":"Function"}]}}],"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:H/A:H"}]}