PT-2026-91986 · Mozilla · Firefox+1
CVSS v3.1
9.1
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 156
Thunderbird versions prior to 156
Description
A race condition in the XPConnect component allows for a sandbox escape. A race condition occurs when the timing or order of events affects the correctness of the software, potentially allowing an attacker to bypass security boundaries.
Recommendations
Update Firefox to version 156 or later.
Update Thunderbird to version 156 or later.
Fix
Race Condition
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Thunderbird