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CVE-2016-9556

21
FAUCET Score

CVE-2016-9556 describes an out-of-bounds heap read vulnerability in the IsPixelGray function of ImageMagick 7.0.3-8, affecting various Debian and openSUSE products. An attacker can trigger a denial of service by providing a specially crafted image file. This vulnerability has a CVSS v3 score of 5.5 (Medium), indicating a local attack vector with low complexity and high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0.3-8CPE matchmatch criteria
cpe:2.3:a:imagemagick:imagemagick:7.0.3-8:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.28%
Probability of exploitation in next 30 days
EPSS Percentile
81.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0228 is in the 91st percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: ImageMagick
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: ImageMagick
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ImageMagick
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Enterprise 2Fixed in: ImageMagick

Vendor Advisories (1)

redhatCVE-2016-9556Low

ImageMagick: Heap-buffer overflow in IsPixelGray in pixel-accessor.h

Nov 19, 2016

References

lists.opensuse.org / opensuse-updates/2016-12/msg00040.html
Third Party Advisory
blogs.gentoo.org / ago/2016/11/19/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99
Issue TrackingPatchVendor Advisory
debian.org / security/2016/dsa-3726
Third Party Advisory
openwall.com / lists/oss-security/2016/11/23/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2016/12/01/4
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2016/12/02/12
Mailing ListThird Party Advisory
securityfocus.com / bid/94492
Third Party AdvisoryVDB Entry