CVE-2016-9773

Name: CVE-2016-9773
Creator: NVD / NIST
Published: 2017-02-17T02:59:14.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.83%

Last modified Jun 17, 2026

CVE-2016-9773 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.83%

76.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Imagemagick	Imagemagick	7.0.3-8

References

http://www.openwall.com/lists/oss-security/2016/12/01/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/11Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/12Mailing List, Third Party Advisory
https://blogs.gentoo.org/ago/2016/12/01/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h-incomplete-fix-for-cve-2016-9556/Patch, Third Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2016/12/01/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/11Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/12/02/12Mailing List, Third Party Advisory
https://blogs.gentoo.org/ago/2016/12/01/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h-incomplete-fix-for-cve-2016-9556/Patch, Third Party Advisory, VDB Entry

Timeline

Published: Feb 17, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9773?

How severe is CVE-2016-9773?

Severity scoring for CVE-2016-9773 is pending analysis. The EPSS model estimates a 1.83% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9773?

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-2016-9773?

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

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Source: NVD / NIST