CVE-2022-31737 Memory corruption in Firefox
A malicious webpage can trigger an out-of-bounds write in WebGL, causing memory corruption and potential code execution in Firefox and Thunderbird.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-31737?
CVE-2022-31737 is a critical memory corruption vulnerability in Mozilla Firefox, published on 22 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Weakness: CWE-787
Which versions are affected by CVE-2022-31737?
It affects 3 products.
Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2022-31737?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-31737 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-31737 exists.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2022-31737, GHSA-h74h-w4r7-rp9x, UBUNTU-CVE-2022-31737.