CVE-2024-0746 Use after free in Firefox

Medium 6.5 Published Updated

A use-after-free flaw in the print preview dialog allows a local user to crash the browser, requiring an upgrade to patched versions.

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-2024-0746?

CVE-2024-0746 is a medium-severity use after free vulnerability in Debian Debian Linux, 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 Linux user opening the print preview dialog could have caused the browser to crash. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Weakness: CWE-416

Which versions are affected by CVE-2024-0746?

It affects 4 products.

Products include Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.

How do I fix CVE-2024-0746?

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-2024-0746 being exploited?

There is no known exploitation of CVE-2024-0746 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2024-0746, GHSA-vw65-ccrc-xmfw, UBUNTU-CVE-2024-0746.

Is CVE-2024-0746 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free