vulnerability

MFSA2022-06 Thunderbird: Security Vulnerabilities fixed in Thunderbird 91.6 (CVE-2022-22754)

Try Surface Command

Back to search

Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:C/A:N)

Published

Feb 8, 2022

Added

Feb 17, 2022

Modified

Mar 27, 2026

Description

If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Solution

mozilla-thunderbird-upgrade-91_6

References

CVE-2022-22754
https://attackerkb.com/topics/CVE-2022-22754
CWE-863
EUVD-EUVD-2022-27897
http://www.mozilla.org/security/announce/2022/mfsa2022-06.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-27897

Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.

Get report