Processor optimization removal or modification of security-critical code in Mozilla Firefox and Firefox for Android - CVE-2025-3031

 

Processor optimization removal or modification of security-critical code in Mozilla Firefox and Firefox for Android - CVE-2025-3031

Published: April 1, 2025


Vulnerability identifier: #VU106361
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-3031
CWE-ID: CWE-1037
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a JIT optimization error. A remote attacker can read 32 bits of values spilled onto the stack in a JIT compiled function.


How to mitigate CVE-2025-3031

Install updates from vendor's website.

Sources