{"id":"CVE-2021-40943","aliases":["EUVD-2021-28097","GHSA-c76m-xvx5-75qc","UBUNTU-CVE-2021-40943"],"status":"published","title":"In Bento4 1.6.0-638, there is a null pointer reference in the function...","description":"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).","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00597,"percentile":0.48865,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2022-06-28T09:57:53Z","modified":"2026-10-20T10:53:55Z","affected":[{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.14+ds1-1","2.6.23+ds1-1","19.0.0+ds1-1","19.0.0+ds1-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20.3.11+ds-1","20.3.17+ds-4","20.3.18+ds-1","20.3.18+ds-1build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.5.9+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.5.16+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"kodi-inputstream-adaptive","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["21.5.9+ds-1","21.5.16+ds-1"]}],"products":[{"vendor":"axiosys","product":"bento4"}],"references":[{"url":"https://github.com/axiomatic-systems/Bento4/issues/643","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40943"},{"url":"https://github.com/advisories/GHSA-c76m-xvx5-75qc"},{"url":"https://ubuntu.com/security/CVE-2021-40943","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-40943","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-40943","description":"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).","status":"published","published":"2022-06-28T09:57:53Z","modified":"2024-08-04T02:59:30.282Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-28097","description":"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).","status":"published","published":"2022-06-28T09:57:53Z","modified":"2024-08-04T02:59:30Z","updated_at":"2026-11-03T03:24:19.242491Z"}],"ghsa":[{"id":"GHSA-c76m-xvx5-75qc","title":"In Bento4 1.6.0-638, there is a null pointer reference in the function...","description":"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).","status":"published","published":"2022-06-29T00:00:55Z","modified":"2023-01-27T05:05:24Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:42:41.402468Z"}],"nvd":[{"id":"CVE-2021-40943","description":"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).","status":"published","published":"2022-06-28T13:15:09.92Z","modified":"2026-06-17T04:07:39.833Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:06.501652Z"}],"osv":[{"id":"CVE-2021-40943","description":"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).","status":"published","published":"2022-06-28T13:15:09.92Z","modified":"2026-10-20T10:53:55.777517166Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:21.249056Z"},{"id":"UBUNTU-CVE-2021-40943","description":"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).","status":"published","published":"2022-06-28T13:15:00Z","modified":"2026-10-17T12:56:20.763501676Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:29.220315Z"}]}}