Windows apps · Application version · March 8, 2022

Mozilla Thunderbird (en-US) 91.7.0

Mozilla Thunderbird (en-US) 91.7.0, released March 8, 2022, fixes 6 CVEs in Mozilla Thunderbird (en-US). 2 of them are being exploited (CVE-2022-26485); 2 on CISA KEV. Patch Radar priority: Patch now. The latest Mozilla Thunderbird (en-US) is 159.0, which also fixes every one of these CVEs.

Patch now2 on CISA KEV

Superseded. The latest Mozilla Thunderbird (en-US) is 159.0, which also fixes every CVE on this page. Install that instead.

CVEs closed
6
6 rated Critical
Exploited
2
CVE-2022-26485
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.1426
96th percentile

Priority of the 6 CVEs

Patch now 2 Urgent 4 High 0 Routine 0

Applies to

ProductVersion
Mozilla Thunderbird (en-US)91.7.0

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Patch now CVE-2022-26485 Mozilla Firefox Use-After-Free Vulnerability9.8 0.1426 KEVExploited
Patch now CVE-2022-26486 Mozilla Firefox Use-After-Free Vulnerability9.8 0.0236 KEVExploited
Urgent CVE-2022-26384 Mozilla Thunderbird and 4 others: Protection Mechanism Failure9.8 0.0097 None reported
Urgent CVE-2022-26381 Mozilla Thunderbird and 4 others: Use After Free9.8 0.0087 None reported
Urgent CVE-2022-26383 Mozilla Thunderbird and 4 others: User Interface (UI) Misrepresentation of Critical Information9.8 0.0073 None reported
Urgent CVE-2022-26387 Mozilla Thunderbird and 4 others: Time-of-check Time-of-use (TOCTOU) Race Condition9.8 0.0066 None reported
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