CVE-2024-0754 Denial of service in Firefox

Medium 6.5 Published Updated

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.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-h6xq-j8xx-3fv4, UBUNTU-CVE-2024-0754.

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