{"id":"CVE-2021-4043","details":"NULL Pointer Dereference in GitHub repository gpac/gpac prior to 1.1.0.","modified":"2026-04-11T21:23:20.600353Z","published":"2022-02-04T23:15:12.250Z","references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5411"},{"type":"REPORT","url":"https://huntr.dev/bounties/d7a534cb-df7a-48ba-8ce3-46b1551a9c47"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/64a2e1b799352ac7d7aad1989bc06e7b0f2b01db"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"64a2e1b799352ac7d7aad1989bc06e7b0f2b01db"}]},{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"64a2e1b799352ac7d7aad1989bc06e7b0f2b01db"}]}],"versions":["v0.5.2","v0.6.0","v0.9.0","v0.9.0-preview","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4043.json","vanir_signatures":[{"target":{"file":"src/isomedia/box_code_base.c"},"source":"https://github.com/gpac/gpac/commit/64a2e1b799352ac7d7aad1989bc06e7b0f2b01db","deprecated":false,"signature_type":"Line","digest":{"line_hashes":["90498454461718875166423603208017846485","23362212995894710025932984104184674703","117685801059467852114604674600821678849","139362349446845440364679254503209547564","139190891020743429633337340557642644010","215702217417742443820087907692774663867","281186944942572325807107762207236673418"],"threshold":0.9},"id":"CVE-2021-4043-b5aa8783","signature_version":"v1"},{"target":{"file":"src/isomedia/box_code_base.c","function":"gitn_box_del"},"source":"https://github.com/gpac/gpac/commit/64a2e1b799352ac7d7aad1989bc06e7b0f2b01db","deprecated":false,"signature_type":"Function","digest":{"length":318,"function_hash":"159042606401760892140584452830935102179"},"id":"CVE-2021-4043-ffd5bc1e","signature_version":"v1"}],"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"1.1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}],"vanir_signatures_modified":"2026-04-11T21:23:20Z"}}],"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"}]}