{"id":"CVE-2025-0243","details":"Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 134, Firefox ESR \u003c 128.6, Thunderbird \u003c 134, and Thunderbird \u003c 128.6.","modified":"2026-03-13T07:58:07.499761Z","published":"2025-01-07T16:15:38.973Z","related":["ALSA-2025:0080","ALSA-2025:0144","ALSA-2025:0147","ALSA-2025:0281","CGA-jj47-h2v6-xh6v","MGASA-2025-0009","MGASA-2025-0010","SUSE-SU-2025:0056-1","SUSE-SU-2025:0059-1","SUSE-SU-2025:0080-1","openSUSE-SU-2025:14619-1","openSUSE-SU-2025:14630-1","openSUSE-SU-2025:14648-1","openSUSE-SU-2025:14764-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-02/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-04/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-05/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-01/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1827142%2C1932783"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"128.6.0"}]},{"events":[{"introduced":"0"},{"fixed":"133.0"}]},{"events":[{"introduced":"0"},{"fixed":"128.6.0"}]},{"events":[{"introduced":"129.0"},{"fixed":"134.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-0243.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}