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6.5

ImageMagick can be crashed by crafted CALS images

CVE-2018-11655 · published 8 years ago
Summary

The ImageMagick software used on Ubuntu Linux can run out of memory when it processes a specially crafted CALS image file, which can cause the program to stop working. This can be exploited to make the service unavailable. Upgrade ImageMagick to the latest package or apply the security update provided by your Linux distribution.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
imagemagick imagemagick 7.0.7-20
cpe:2.3:a:imagemagick:imagemagick:7.0.7-20:*:*:*:*:*:*:*
canonical ubuntu_linux 14.04
16.04
17.10
18.04
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Original advisory text
In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted...
In ImageMagick 7.0.7-20 Q16 x86_64, a memory leak vulnerability was found in the function GetImagePixelCache in MagickCore/cache.c, which allows attackers to cause a denial of service via a crafted CALS image file.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.5 Medium
Exploitation
2% chance of attack within 30 days
Type
CWE-772Missing Release of Resource after Effective Lifetime
Timeline
Published1 Jun 2018
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-11655 · NVD
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