PT-2026-27393 · Mozilla · Firefox+2
Sajeeb Lohani
·
Published
2026-01-01
·
Updated
2026-04-17
·
CVE-2026-4694
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 149
Firefox ESR versions prior to 115.34
Firefox ESR versions prior to 140.9
Thunderbird versions prior to 149
Thunderbird versions prior to 140.9
Description
An integer overflow exists within the Graphics component due to incorrect boundary conditions. This condition could potentially lead to unexpected behavior or compromise system integrity.
Recommendations
Update Firefox to version 149 or later.
Update Firefox ESR to version 115.34 or later.
Update Firefox ESR to version 140.9 or later.
Update Thunderbird to version 149 or later.
Update Thunderbird to version 140.9 or later.
Fix
Improper Check for Exceptional Conditions
Integer Overflow
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Firefox
Firefox Esr
Thunderbird