What’s Vulnerable › Vulnerabilities

CVE-2016-9556

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-23 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• Debian Linux: 8.0
• ImageMagick: 7.0.3-8
• Opensuse Project Leap: 42.1

References

• http://lists.opensuse.org/opensuse-updates/2016-12/msg00040.html
• http://www.debian.org/security/2016/dsa-3726
• http://www.openwall.com/lists/oss-security/2016/11/23/1
• http://www.openwall.com/lists/oss-security/2016/12/01/4
• http://www.openwall.com/lists/oss-security/2016/12/02/12
• http://www.securityfocus.com/bid/94492
• https://blogs.gentoo.org/ago/2016/11/19/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h
• https://bugzilla.redhat.com/show_bug.cgi?id=1398198
• https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99
• http://lists.opensuse.org/opensuse-updates/2016-12/msg00040.html
• http://www.debian.org/security/2016/dsa-3726
• http://www.openwall.com/lists/oss-security/2016/11/23/1

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