CVE-2011-0991 Use after free in n/a

Medium 6.8 Published 13 Apr 2011 Updated 6 Aug 2024

Remote attackers can cause denial of service or potentially execute code via a use-after-free flaw in the Mono runtime when handling DynamicMethod instances.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2011-0991?

CVE-2011-0991 is a medium-severity use after free vulnerability in n/a, published on 13 Apr 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to finalizing and then resurrecting a DynamicMethod instance.

Weakness: CWE-399

Which versions are affected by CVE-2011-0991?

It affects 2 products.

Products include Mono Mono, Novell Moonlight.

How do I fix CVE-2011-0991?

No fix has been published for CVE-2011-0991 yet. Limit exposure of the affected software until one is available.

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-2011-0991 being exploited?

There is no known exploitation of CVE-2011-0991 in the wild and no public exploit code.

Sources

Also known as GHSA-6gxj-qxj4-wm7j.