CVE-2024-9400 Memory corruption in Firefox
An attacker can trigger memory corruption during JIT compilation by causing an out-of-memory condition, potentially leading to code execution in Firefox and Thunderbird.
- 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-2024-9400?
CVE-2024-9400 is a high-severity memory corruption vulnerability in Mozilla Firefox, published on 1 Oct 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
A potential memory corruption vulnerability could be triggered if an attacker had the ability to trigger an OOM at a specific moment during JIT compilation. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
Weakness: CWE-119
Which versions are affected by CVE-2024-9400?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2024-9400?
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-2024-9400 being exploited?
There is no known exploitation of CVE-2024-9400 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2024-9400, GHSA-99rj-hj9g-wrcv, UBUNTU-CVE-2024-9400.