Processor optimization removal or modification of security-critical code in Mozilla products - CVE-2024-3854

 

Processor optimization removal or modification of security-critical code in Mozilla products - CVE-2024-3854

Published: April 16, 2024


Vulnerability identifier: #VU88580
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-3854
CWE-ID: CWE-1037
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect optimization, when some code patterns in the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. A remote attacker can abuse such behavior to execute arbitrary code on the system.


How to mitigate CVE-2024-3854

Install updates from vendor's website.

Sources