CVE-2016-4563 Memory corruption in n/a
Remote attackers can cause a denial of service via buffer overflow in ImageMagick by using a crafted file.
- 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
- Available
What is CVE-2016-4563?
CVE-2016-4563 is a high-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 4 Jun 2016. 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 TraceStrokePolygon function in MagickCore/draw.c in ImageMagick before 6.9.4-0 and 7.x before 7.0.1-2 mishandles the relationship between the BezierQuantum value and certain strokes data, which allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted file.
Weakness: CWE-119
Which versions are affected by CVE-2016-4563?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2016-4563?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-4563 being exploited?
There is no known exploitation of CVE-2016-4563 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as ALPINE-CVE-2016-4563, DEBIAN-CVE-2016-4563, DLA-517-1, GHSA-75f5-4mcc-22xp, UBUNTU-CVE-2016-4563.