CVE-2010-3768 Code injection in n/a

Critical 9.3 Published 10 Dec 2010 Updated 7 Aug 2024

Remote attackers can execute arbitrary code by exploiting improper validation of downloadable fonts in Mozilla browsers via CSS rules.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2010-3768?

CVE-2010-3768 is a critical code injection vulnerability in Mozilla Firefox, published on 10 Dec 2010. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, Thunderbird before 3.0.11 and 3.1.x before 3.1.7, and SeaMonkey before 2.0.11 do not properly validate downloadable fonts before use within an operating system's font implementation, which allows remote attackers to execute arbitrary code via vectors related to @font-face Cascading Style Sheets (CSS) rules.

Weakness: CWE-20

Which versions are affected by CVE-2010-3768?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird.

How do I fix CVE-2010-3768?

Upgrade to a fixed version.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2010-3768 being exploited?

There is no known exploitation of CVE-2010-3768 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-qrwh-98p4-jg32.