CVE-2022-32414 Use after free in n/a

Medium 5.5 Published 21 Jun 2022 Updated 3 Aug 2024

A use-after-free vulnerability in the Nginx NJS library allows attackers to cause a segmentation violation and denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-32414?

CVE-2022-32414 is a medium-severity use after free vulnerability in n/a, published on 21 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Nginx NJS v0.7.2 was discovered to contain a segmentation violation in the function njs_vmcode_interpreter at src/njs_vmcode.c.

Weakness: CWE-416

Which versions are affected by CVE-2022-32414?

It affects 1 product.

Products include F5 Njs.

How do I fix CVE-2022-32414?

No fix has been published for CVE-2022-32414 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-2022-32414 being exploited?

There is no known exploitation of CVE-2022-32414 in the wild and no public exploit code.

Sources

Also known as GHSA-83xx-mvrj-g933.