PT-2026-111461 · 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 issue exists in the Widget: Win32 component where incorrect boundary conditions allow for a sandbox escape. A sandbox is a security mechanism used to run untrusted code in a restricted environment to prevent it from accessing the rest of the system.
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