What’s Vulnerable › Vulnerabilities

CVE-2016-9773

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-17 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• ImageMagick: 7.0.3-8

References

• http://www.openwall.com/lists/oss-security/2016/12/01/4
• http://www.openwall.com/lists/oss-security/2016/12/02/11
• http://www.openwall.com/lists/oss-security/2016/12/02/12
• https://blogs.gentoo.org/ago/2016/12/01/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h-incomplete-fix-for-cve-2016-9556/
• http://www.openwall.com/lists/oss-security/2016/12/01/4
• http://www.openwall.com/lists/oss-security/2016/12/02/11
• http://www.openwall.com/lists/oss-security/2016/12/02/12
• https://blogs.gentoo.org/ago/2016/12/01/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h-incomplete-fix-for-cve-2016-9556/

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