{"id":"CVE-2021-40563","details":"A Segmentation fault exists casued by null pointer dereference exists in Gpac through 1.0.1 via the naludmx_create_avc_decoder_config function in reframe_nalu.c when using mp4box, which causes a denial of service.","modified":"2026-08-03T14:35:20.053181Z","published":"2022-01-12T22:15:07.807Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"],"extracted_events":[{"last_affected":"1.0.1"}],"source":"CPE_RANGE","vendor_product":"gpac:gpac"},{"extracted_events":[{"fixed":"1.0.1"}],"source":"DESCRIPTION"}]},"references":[{"type":"ADVISORY","url":"https://github.com/gpac/gpac/issues/1892"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5411"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/5ce0c906ed8599d218036b18b78e8126a496f137"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"5ce0c906ed8599d218036b18b78e8126a496f137"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v1.0.0","v0.9.0","v0.9.0-preview","v0.6.0","v0.5.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40563.json","vanir_signatures_modified":"2026-08-03T14:35:20Z","vanir_signatures":[{"id":"CVE-2021-40563-000e5ead","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/5ce0c906ed8599d218036b18b78e8126a496f137","target":{"file":"src/filters/reframe_nalu.c"},"deprecated":false,"digest":{"line_hashes":["272985885264627287221321213328130031702","142156609497013418352122144122126129587","319051854843876758305616242033201618709","271932093162040693332617023203501301690","28122053060813192105410341962739566575"],"threshold":0.9}},{"id":"CVE-2021-40563-ed7ef8d6","signature_type":"Function","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/5ce0c906ed8599d218036b18b78e8126a496f137","target":{"file":"src/filters/reframe_nalu.c","function":"naludmx_queue_param_set"},"deprecated":false,"digest":{"function_hash":"274368835331917974606930838105836039291","length":2442}}]}}],"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"}]}