CVE-2010-1121 Use after free in n/a
Remote attackers can execute arbitrary code via use-after-free in Firefox DOM node management, requiring user interaction to visit a malicious page.
- 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-2010-1121?
CVE-2010-1121 is a critical use after free vulnerability in Mozilla Firefox, published on 25 Mar 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 3.6.x before 3.6.3 does not properly manage the scopes of DOM nodes that are moved from one document to another, which allows remote attackers to conduct use-after-free attacks and execute arbitrary code via unspecified vectors involving improper interaction with garbage collection, as demonstrated by Nils during a Pwn2Own competition at CanSecWest 2010.
Weakness: CWE-94
Which versions are affected by CVE-2010-1121?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2010-1121?
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-2010-1121 being exploited?
There is no known exploitation of CVE-2010-1121 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-7jg2-5jh7-2mjr.