CVE-2016-9773 Memory corruption in n/a

Medium 5.5 Published 16 Feb 2017 Updated 6 Aug 2024

Remote attackers can cause a denial of service via a crafted image file due to a heap-based buffer overflow in ImageMagick.

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: Available

What is CVE-2016-9773?

CVE-2016-9773 is a medium-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 16 Feb 2017. 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

Heap-based buffer overflow in the IsPixelGray function in MagickCore/pixel-accessor.h in ImageMagick 7.0.3.8 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted image file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9556.

Weakness: CWE-125, CWE-119

Which versions are affected by CVE-2016-9773?

It affects 1 product.

Products include Imagemagick Imagemagick.

How do I fix CVE-2016-9773?

Apply the vendor's patch.

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

Is CVE-2016-9773 being exploited?

There is no known exploitation of CVE-2016-9773 in the wild and no public exploit code.

All Imagemagick Imagemagick vulnerabilities

Sources

Also known as GHSA-97pw-p5qg-c64q.