PT-2026-102578 · Mozilla · Firefox+1
CVSS v3.1
9.6
Critical
| Vector | AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 157
Thunderbird versions prior to 157
Description
A use-after-free issue exists in the Preferences: Backend component, which can lead to a sandbox escape. A use-after-free occurs when a program continues to use a pointer after it has been freed, potentially allowing an attacker to execute arbitrary code outside the restricted sandbox environment.
Recommendations
Update Firefox to version 157.
Update Thunderbird to version 157.
Fix
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Thunderbird