CVE-2023-44323 PDF Jbig2 memory-corruption Vulnerability - MSFT T5

Medium 5.5 Published 30 Oct 2023 Updated 2 Aug 2024

An attacker can cause a denial of service in Adobe Acrobat for Edge by tricking a user into opening a malicious file.

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-2023-44323?

CVE-2023-44323 is a medium-severity use after free vulnerability in Microsoft Edge Chromium, published on 30 Oct 2023. 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

Adobe Acrobat for Edge version 118.0.2088.46 (and earlier) is affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-416

Which versions are affected by CVE-2023-44323?

It affects 1 product.

Products include Microsoft Edge Chromium.

How do I fix CVE-2023-44323?

No fix has been published for CVE-2023-44323 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-2023-44323 being exploited?

There is no known exploitation of CVE-2023-44323 in the wild and no public exploit code.

All Microsoft Edge Chromium vulnerabilities

Sources

Also known as GHSA-m4h3-mqpx-7mc5.