CVE-2022-46884 Use after free in Firefox

High 8.8 Published Updated

A use-after-free in Firefox SVG handling could allow attackers to execute arbitrary code or cause a crash via malicious content.

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
None listed

What is CVE-2022-46884?

CVE-2022-46884 is a high-severity use after free vulnerability in Mozilla Firefox, published on 24 Aug 2023. 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 use-after-free vulnerability existed in SVG Images if the Refresh Driver was destroyed at an inopportune time. This could have lead to memory corruption or a potentially exploitable crash. *Note*: This advisory was added on December 13th, 2022 after discovering it was inadvertently left out of the original advisory. The fix was included in the original release of Firefox 106. This vulnerability affects Firefox < 106.

Weakness: CWE-416

Which versions are affected by CVE-2022-46884?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2022-46884?

No fix has been published for CVE-2022-46884 yet. Limit exposure of the affected software until one is available.

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-2022-46884 being exploited?

There is no known exploitation of CVE-2022-46884 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-w3h2-4jrj-6mcc, UBUNTU-CVE-2022-46884.

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