CVE-2024-0754 Denial of service in Firefox
Loading specific WASM files in Firefox DevTools causes a crash, allowing attackers to disrupt browser availability.
- 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-2024-0754?
CVE-2024-0754 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 23 Jan 2024. 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
Some WASM source files could have caused a crash when loaded in devtools. This vulnerability affects Firefox < 122.
Weakness: CWE-248
Which versions are affected by CVE-2024-0754?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2024-0754?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-0754 being exploited?
There is no known exploitation of CVE-2024-0754 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-h6xq-j8xx-3fv4, UBUNTU-CVE-2024-0754.