Windows apps · Application version · March 8, 2022

Mozilla Firefox (en-US) 98.0

Mozilla Firefox (en-US) 98.0, released March 8, 2022, fixes 6 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.

Urgent

Superseded.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

CVEs closed
6
4 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0097
62nd percentile

Priority of the 6 CVEs

Patch now 0 Urgent 4 High 0 Routine 2

Applies to

ProductVersion
Mozilla Firefox (en-US)98.0

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
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
Routine CVE-2022-26385 Mozilla Firefox ESR and 2 others: Use After Free6.5 0.0058 None reported
Routine CVE-2022-26382 Mozilla Firefox ESR and 2 others: Observable Discrepancy4.3 0.0051 None reported
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