CVE-2019-19952 Use after free in n/a

Critical 9.8 Published 24 Dec 2019 Updated 5 Aug 2024

A use-after-free vulnerability in ImageMagick allows attackers to execute arbitrary code or cause a denial of service via crafted MNG images.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-19952?

CVE-2019-19952 is a critical use after free vulnerability in Imagemagick Imagemagick, published on 24 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In ImageMagick 7.0.9-7 Q16, there is a use-after-free in the function MngInfoDiscardObject of coders/png.c, related to ReadOneMNGImage.

Weakness: CWE-416

Which versions are affected by CVE-2019-19952?

It affects 1 product.

Products include Imagemagick Imagemagick.

How do I fix CVE-2019-19952?

No fix has been published for CVE-2019-19952 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-2019-19952 being exploited?

There is no known exploitation of CVE-2019-19952 in the wild and no public exploit code.

All Imagemagick Imagemagick vulnerabilities

Sources

Also known as GHSA-x77f-4pxj-9mvh.