CVE-2023-48184 Use after free in n/a

Low 3.9 Published 23 Apr 2024 Updated 2 Aug 2024

A use-after-free vulnerability in QuickJS allows attackers to execute arbitrary code or cause denial of service via crafted async functions.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2023-48184?

CVE-2023-48184 is a low-severity use after free vulnerability in n/a, published on 23 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

QuickJS before 7414e5f has a quickjs.h JS_FreeValueRT use-after-free because of incorrect garbage collection of async functions with closures.

Weakness: CWE-416

Which versions are affected by CVE-2023-48184?

It affects 1 product.

Products include Quickjs Project Quickjs.

How do I fix CVE-2023-48184?

Apply the vendor's patch.

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-2023-48184 being exploited?

There is no known exploitation of CVE-2023-48184 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2023-48184, GHSA-px9h-hqw8-r2j9, UBUNTU-CVE-2023-48184.