{"id":"CVE-2021-3246","details":"A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1.0.30 allows attackers to execute arbitrary code via a crafted WAV file.","modified":"2026-04-11T12:36:28.611536Z","published":"2021-07-20T15:15:11.053Z","related":["ALSA-2021:3253","MGASA-2021-0392","SUSE-SU-2021:14769-1","SUSE-SU-2021:2615-1","SUSE-SU-2021:2764-1","openSUSE-SU-2021:1166-1","openSUSE-SU-2021:2764-1","openSUSE-SU-2024:10992-1"],"database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"10.0"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"9.0"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"33"}],"source":"CPE_FIELD"},{"cpe":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"34"}],"source":"CPE_FIELD"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLUDCEMMPRA3IYYYHVZUOUZXI65FU37V/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7LNW4AVDVL3BU3N3KGVFLTYFASBVCIF/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00024.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202309-11"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4947"},{"type":"FIX","url":"https://github.com/libsndfile/libsndfile/issues/687"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libsndfile/libsndfile","events":[{"introduced":"0"},{"last_affected":"68958f9c9199dad97dcd10700df3746b2cd9b8a3"}],"database_specific":{"cpe":"cpe:2.3:a:libsndfile_project:libsndfile:1.0.30:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.0.30"}],"source":"CPE_FIELD"}}],"versions":["1.0.25","1.0.26","1.0.27","1.0.28","v1.0.29","v1.0.30"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3246.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}