CVE-2024-0752 Use after free in Firefox
A use-after-free flaw in Firefox on macOS could allow attackers to execute arbitrary code during updates on busy systems.
- 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-2024-0752?
CVE-2024-0752 is a medium-severity use after free 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
A use-after-free crash could have occurred on macOS if a Firefox update were being applied on a very busy system. This could have resulted in an exploitable crash. This vulnerability affects Firefox < 122.
Weakness: CWE-416
Which versions are affected by CVE-2024-0752?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2024-0752?
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-2024-0752 being exploited?
There is no known exploitation of CVE-2024-0752 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-mff6-fp66-7vrp.