{"id":"CVE-2021-40943","details":"In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).","modified":"2026-08-07T17:02:48.231125Z","published":"2022-06-28T13:15:09.920Z","references":[{"type":"REPORT","url":"https://github.com/axiomatic-systems/Bento4/issues/643"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/axiomatic-systems/bento4","events":[{"introduced":"4f813a9b791e312761b762fcab4b09e921bee584"},{"last_affected":"4f813a9b791e312761b762fcab4b09e921bee584"}],"database_specific":{"cpe":"cpe:2.3:a:axiosys:bento4:1.6.0-638:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.6.0-638"},{"last_affected":"1.6.0-638"}],"source":"CPE_STRING"}}],"versions":["1.6.0-638","v1.6.0-638"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40943.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"}]}