{"id":"CVE-2021-29952","details":"When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox \u003c 88.0.1 and Firefox for Android \u003c 88.1.3.","modified":"2026-05-04T08:37:43.210626Z","published":"2021-06-24T14:15:09.973Z","withdrawn":"2026-05-04T08:37:43.210626Z","related":["openSUSE-SU-2024:10600-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-20/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1704227"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"88.0.1"}]},{"events":[{"introduced":"0"},{"fixed":"88.1.3"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29952.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}