CVE-2024-3860 Denial of service in Firefox

What is CVE-2024-3860?

CVE-2024-3860 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 16 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.

Weakness: CWE-401

Which versions are affected by CVE-2024-3860?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2024-3860?

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-2024-3860 being exploited?

There is no known exploitation of CVE-2024-3860 in the wild and no public exploit code.

Other vulnerabilities in Mozilla Firefox

• CVE-2019-11708 Mozilla Firefox and Thunderbird Sandbox Escape Exploited Critical 10.0
• CVE-2010-3765 Mozilla Multiple Products Remote Code Execution Exploited Critical 9.8
• CVE-2022-26486 Mozilla Firefox Use-After-Free Exploited Critical 9.6
• CVE-2022-26485 Mozilla Firefox Use-After-Free Exploited High 8.8
• CVE-2019-11707 Mozilla Firefox and Thunderbird Type Confusion Exploited High 8.8

All Mozilla Firefox vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-f985-cwrv-f4qp, UBUNTU-CVE-2024-3860.