Buffer overflow in Firefox for Android and Mozilla Firefox - CVE-2025-1943

 

Buffer overflow in Firefox for Android and Mozilla Firefox - CVE-2025-1943

Published: March 5, 2025


Vulnerability identifier: #VU105320
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-2025-1943
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Affected software:
Firefox for Android
Mozilla Firefox
Gentoo Linux
Ubuntu
Fedora
Mozilla Thunderbird
www-client/firefox
www-client/firefox-bin
firefox
thunderbird (Ubuntu package)

Detailed vulnerability description

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

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

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


How to mitigate CVE-2025-1943

Install updates from vendor's website.

Sources