{"id":"CVE-2021-29970","details":"A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird \u003c 78.12, Firefox ESR \u003c 78.12, and Firefox \u003c 90.","modified":"2026-04-16T00:01:21.698796242Z","published":"2021-08-05T20:15:08.540Z","related":["SUSE-SU-2021:14766-1","SUSE-SU-2021:2389-1","SUSE-SU-2021:2393-1","SUSE-SU-2021:2458-1","SUSE-SU-2021:2478-1","openSUSE-SU-2021:1066-1","openSUSE-SU-2021:1091-1","openSUSE-SU-2021:2393-1","openSUSE-SU-2021:2458-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-30/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202202-03"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-14"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-28/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-29/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1709976"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"90.0"}]},{"events":[{"introduced":"0"},{"fixed":"78.12"}]},{"events":[{"introduced":"0"},{"fixed":"78.12"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29970.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"}]}