{"id":"CVE-2021-40565","details":"A Segmentation fault caused by a null pointer dereference vulnerability exists in Gpac through 1.0.1 via the gf_avc_parse_nalu function in av_parsers.c when using mp4box, which causes a denial of service.","modified":"2026-05-15T04:37:09.396498Z","published":"2022-01-12T22:15:07.890Z","references":[{"type":"ADVISORY","url":"https://github.com/gpac/gpac/issues/1902"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5411"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/893fb99b606eebfae46cde151846a980e689039b"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"last_affected":"d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.0.1"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"}}],"versions":["v1.0.1","v0.7.1","v0.7.0","v0.6.0","v0.5.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40565.json"}}],"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"}]}