CVE-2024-6609 Memory corruption in NSS
An attacker can trigger a use-after-free in NSS during low memory conditions, 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-2024-6609?
CVE-2024-6609 is a high-severity use after free vulnerability in Mozilla Firefox, published on 9 Jul 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
When almost out-of-memory an elliptic curve key which was never allocated could have been freed again. This vulnerability affects Firefox < 128 and Thunderbird < 128.
Which versions are affected by CVE-2024-6609?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2024-6609?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2024-6609 being exploited?
There is no known exploitation of CVE-2024-6609 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2024-6609, GHSA-xcm3-jhmr-9fhh, UBUNTU-CVE-2024-6609.