Buffer overflow in Mozilla Firefox - CVE-2025-0247
Published: January 7, 2025
Vulnerability identifier: #VU102429
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-2025-0247
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Affected software:
Mozilla Firefox
Gentoo Linux
Ubuntu
Fedora
Mozilla Thunderbird
Firefox for Android
Firefox Focus for Android
www-client/firefox
firefox (Ubuntu package)
firefox
thunderbird (Ubuntu package)
Mozilla Firefox
Gentoo Linux
Ubuntu
Fedora
Mozilla Thunderbird
Firefox for Android
Firefox Focus for Android
www-client/firefox
firefox (Ubuntu package)
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 create a specially crafted website, trick the victim into opening it, 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-2025-0247
Install updates from vendor's website.