PT-2026-41908 · Mozilla+1 · Thunderbird+2
CVE-2026-8954
·
Published
2026-05-19
·
Updated
2026-06-29
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 151
Firefox ESR versions prior to 140.11
Thunderbird versions prior to 151
Thunderbird versions prior to 140.11
Description
Incorrect boundary conditions lead to an integer overflow in the Audio/Video component. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of digits.
Recommendations
Update to version 151
Update to ESR version 140.11
Update to version 151
Update to version 140.11
Fix
DoS
Buffer Overflow
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Rocky Linux
Thunderbird