Windows apps · Application version · May 19, 2022

Mozilla Firefox (en-US) 100.0.1

Mozilla Firefox (en-US) 100.0.1, released May 19, 2022, fixes 8 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.

High

Superseded.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

CVEs closed
8
None rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0105
64th percentile

Priority of the 8 CVEs

Patch now 0 Urgent 0 High 7 Routine 1

Applies to

ProductVersion
Mozilla Firefox (en-US)100.0.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2022-29917 Mozilla Thunderbird and 4 others: Out-of-bounds Write9.8 0.0105 None reported
High CVE-2022-29909 Mozilla Thunderbird and 4 others: Incorrect Default Permissions9.8 0.0089 None reported
High CVE-2022-29916 Mozilla Thunderbird and 4 others: Exposure of Sensitive Information to an Unauthorized Actor9.8 0.0076 None reported
High CVE-2022-29912 Mozilla Thunderbird and 4 others: URL Redirection to Untrusted Site ('Open Redirect')9.8 0.0068 None reported
High CVE-2022-29914 Mozilla Thunderbird and 4 others: Improper Restriction of Rendered UI Layers or Frames9.8 0.0066 None reported
High CVE-2022-29911 Mozilla Thunderbird and 4 others: Improper Restriction of Rendered UI Layers or Frames9.8 0.0061 None reported
High CVE-2022-29918 Mozilla Firefox ESR and 2 others: Mozilla developers Gabriele Svelto, Randell Jesup and the Mozilla Fuzzing Team reported memory safety…8.8 0.0056 None reported
Routine CVE-2022-29915 Mozilla Firefox ESR and 2 others: Origin Validation Error4.3 0.0030 None reported
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