CVE-2022-31745 Memory corruption in Firefox
A garbage collector confusion issue in Firefox allows attackers to potentially execute arbitrary code via crafted web content.
- 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-2022-31745?
CVE-2022-31745 is a medium-severity memory corruption vulnerability in Mozilla Firefox, published on 22 Dec 2022. 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
If array shift operations are not used, the Garbage Collector may have become confused about valid objects. This vulnerability affects Firefox < 101.
Weakness: CWE-129
Which versions are affected by CVE-2022-31745?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2022-31745?
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-2022-31745 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-31745 exists.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-5hg4-mc2h-m4mm, UBUNTU-CVE-2022-31745.