{"id":"CVE-2022-26387","details":"When installing an add-on, Firefox verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Firefox would not have noticed. This vulnerability affects Firefox \u003c 98, Firefox ESR \u003c 91.7, and Thunderbird \u003c 91.7.","modified":"2026-04-16T04:34:26.779754352Z","published":"2022-12-22T20:15:22.340Z","related":["ALSA-2022:0818","ALSA-2022:0845","SUSE-SU-2022:0819-1","SUSE-SU-2022:0821-1","SUSE-SU-2022:0822-1","SUSE-SU-2022:0906-1","SUSE-SU-2022:14906-1","openSUSE-SU-2022:0821-1","openSUSE-SU-2022:0906-1","openSUSE-SU-2024:11908-1","openSUSE-SU-2024:11909-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2022-10/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2022-11/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2022-12/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1752979"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-26387.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"98.0"}]},{"events":[{"introduced":"0"},{"fixed":"91.7"}]},{"events":[{"introduced":"0"},{"fixed":"91.7"}]}]}}],"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"}]}