PT-2026-61889 · Mozilla+1 · Firefox+3
CVSS v3.1
10
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 153
Firefox ESR versions prior to 140.13
Thunderbird versions prior to 153
Thunderbird versions prior to 140.13
Description
A mitigation bypass exists within the PDF Viewer component.
Recommendations
Update Firefox to version 153 or later.
Update Firefox ESR to version 140.13 or later.
Update Thunderbird to version 153 or later.
Update Thunderbird to version 140.13 or later.
Fix
DoS
Protection Mechanism Failure
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Firefox Esr
Rocky Linux
Thunderbird