CVE-2018-6876 Memory corruption in n/a

Medium 6.5 Published 9 Feb 2018 Updated 5 Aug 2024

Remote attackers can cause a denial of service via a stack-based buffer under-read in the libfpx library used by ImageMagick.

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-2018-6876?

CVE-2018-6876 is a medium-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 9 Feb 2018. 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

The OLEProperty class in ole/oleprop.cpp in libfpx 1.3.1-10, as used in ImageMagick 7.0.7-22 Q16 and other products, allows remote attackers to cause a denial of service (stack-based buffer under-read) via a crafted bmp image.

Weakness: CWE-119

Which versions are affected by CVE-2018-6876?

It affects 2 products.

Products include Imagemagick Imagemagick, Libfpx Project Libfpx.

How do I fix CVE-2018-6876?

No fix has been published for CVE-2018-6876 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-6876 being exploited?

There is no known exploitation of CVE-2018-6876 in the wild and no public exploit code.

All Imagemagick Imagemagick vulnerabilities

Sources

Also known as GHSA-fgv7-56f2-9ww7.