CVE-2011-2363 Use after free in n/a

Critical 10.0 Published 30 Jun 2011 Updated 6 Aug 2024

Remote attackers can trigger a use-after-free in Firefox via user-supplied callbacks, potentially causing crashes or arbitrary code execution.

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-2011-2363?

CVE-2011-2363 is a critical use after free vulnerability in Mozilla Firefox, published on 30 Jun 2011. 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

Use-after-free vulnerability in the nsSVGPointList::AppendElement function in the implementation of SVG element lists in Mozilla Firefox before 3.6.18, Thunderbird before 3.1.11, and SeaMonkey through 2.0.14 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors involving a user-supplied callback.

Weakness: CWE-399

Which versions are affected by CVE-2011-2363?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird.

How do I fix CVE-2011-2363?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2011-2363 being exploited?

There is no known exploitation of CVE-2011-2363 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-xx6j-mphq-3862.