vulnerability
MFSA2022-12 Thunderbird: Security Vulnerabilities fixed in Thunderbird 91.7 (CVE-2022-26381)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Mar 8, 2022 | Mar 10, 2022 | Mar 27, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Mar 8, 2022
Added
Mar 10, 2022
Modified
Mar 27, 2026
Description
An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
Solution
mozilla-thunderbird-upgrade-91_7
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.