PT-2026-111444 · Mozilla · Firefox+2
None
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Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 158
Firefox ESR versions prior to 153.5
Thunderbird versions prior to 158
Thunderbird versions prior to 153.5
Description
An integer overflow exists within the Layout: Text and Fonts component. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is too large to be stored in the allotted memory space.
Recommendations
Update Firefox to version 158.
Update Firefox ESR to version 153.5.
Update Thunderbird to version 158.
Update Thunderbird to version 153.5.
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Related Identifiers
Affected Products
Firefox
Firefox Esr
Thunderbird