{"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":"2026-04-11T17:25:57.087829Z","published":"2021-09-13T19:15:12.257Z","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"},{"last_affected":"d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"},{"fixed":"1273cdc706eeedf8346d4b9faa5b33435056061d"}],"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_modified":"2026-04-11T17:25:57Z","source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33362.json","vanir_signatures":[{"signature_version":"v1","signature_type":"Line","deprecated":false,"id":"CVE-2021-33362-a4d76a98","target":{"file":"src/media_tools/av_parsers.c"},"digest":{"threshold":0.9,"line_hashes":["156453034275860195751118554467831625006","278350946933998893876045049577207316467","292344529475341452140739090620657628091"]},"source":"https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d"},{"signature_version":"v1","signature_type":"Function","deprecated":false,"id":"CVE-2021-33362-b4046db8","target":{"function":"hevc_parse_vps_extension","file":"src/media_tools/av_parsers.c"},"digest":{"length":9286,"function_hash":"199429521635279753719972385502701430293"},"source":"https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}