CVE-2022-42930 Race condition in Firefox
A data race in Firefox's CacheStorage initialization could lead to undefined behavior or crashes when multiple Workers initialize simultaneously.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-42930?
CVE-2022-42930 is a high-severity vulnerability in Mozilla Firefox, published on 22 Dec 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
If two Workers were simultaneously initializing their CacheStorage, a data race could have occurred in the `ThirdPartyUtil` component. This vulnerability affects Firefox < 106.
Weakness: CWE-362
Which versions are affected by CVE-2022-42930?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2022-42930?
Upgrade to a fixed version.
Is CVE-2022-42930 being exploited?
There is no known exploitation of CVE-2022-42930 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-737f-pfm5-cmq6, UBUNTU-CVE-2022-42930.