CVE-2024-8384 Memory corruption in Firefox

Critical 9.8 Published Updated

A garbage collector flaw in Firefox and Thunderbird allows memory corruption via OOM conditions, potentially enabling arbitrary code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2024-8384?

CVE-2024-8384 is a critical memory corruption vulnerability in Mozilla Firefox, published on 3 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right point between two passes. This could have led to memory corruption. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

Weakness: CWE-787, CWE-416

Which versions are affected by CVE-2024-8384?

It affects 2 products.

Products include Mozilla Firefox, Mozilla Firefox Esr.

How do I fix CVE-2024-8384?

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-2024-8384 being exploited?

There is no known exploitation of CVE-2024-8384 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as DEBIAN-CVE-2024-8384, GHSA-6q4m-8cmc-2222, UBUNTU-CVE-2024-8384.

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