{"id":"CVE-2025-0237","details":"The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability affects Firefox \u003c 134, Firefox ESR \u003c 128.6, Thunderbird \u003c 134, and Thunderbird \u003c 128.6.","modified":"2026-03-13T07:58:07.389949Z","published":"2025-01-07T16:15:38.323Z","related":["ALSA-2025:0080","ALSA-2025:0144","CGA-8cp4-36j8-h74q","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/mfsa2025-01/"},{"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":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1915257"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"128.6.0"}]},{"events":[{"introduced":"0"},{"fixed":"134.0"}]},{"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-2025-0237.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}