CVE-2016-9556

Name: CVE-2016-9556
Creator: NVD / NIST
Published: 2017-03-23T18:59:01.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.28%

Last modified Jun 17, 2026

CVE-2016-9556 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.28% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.28%

80.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Imagemagick	Imagemagick	7.0.3-8
Debian	Debian Linux	8.0
Opensuse Project	Leap	42.1

References

http://lists.opensuse.org/opensuse-updates/2016-12/msg00040.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3726Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/23/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/01/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/12Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94492Third Party Advisory, VDB Entry
https://blogs.gentoo.org/ago/2016/11/19/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-hThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1398198Issue Tracking, Third Party Advisory
https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99Issue Tracking, Patch, Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00040.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3726Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/23/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/01/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/12Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94492Third Party Advisory, VDB Entry
https://blogs.gentoo.org/ago/2016/11/19/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-hThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1398198Issue Tracking, Third Party Advisory
https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Mar 23, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9556?

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.

How severe is CVE-2016-9556?

Severity scoring for CVE-2016-9556 is pending analysis. The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9556?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9556?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST