{"id":"CVE-2021-3700","details":"A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.","modified":"2026-03-19T02:54:37.213181Z","published":"2022-02-24T19:15:09.260Z","related":["MGASA-2022-0133","openSUSE-SU-2024:11489-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00030.html"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1992830"},{"type":"FIX","url":"https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.freedesktop.org/spice/usbredir","events":[{"introduced":"0"},{"fixed":"3dae79daa70c0b62e64fc6bf1b7e68757a812db0"},{"fixed":"03c519ff5831ba"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"0.11.0"}]}}],"versions":["usbredir-0.10.0","usbredir-0.3","usbredir-0.3.1","usbredir-0.3.2","usbredir-0.3.3","usbredir-0.4","usbredir-0.4.1","usbredir-0.4.2","usbredir-0.4.3","usbredir-0.5","usbredir-0.5.1","usbredir-0.5.2","usbredir-0.6","usbredir-0.7","usbredir-0.7.1","usbredir-0.8.0","usbredir-0.9.0"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3700.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}