Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2025-8044

 

Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2025-8044

Published: July 22, 2025


Vulnerability identifier: #VU113154
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2025-8044
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Mozilla Firefox
Firefox for Android
Mozilla Thunderbird

How to mitigate CVE-2025-8044

Install updates from vendor's website.

Mozilla Firefox - update to 141.0
Firefox for Android - update to 141.0
Mozilla Thunderbird - update to 141.0

External References

Related Security Bulletins