01 Record

CVE-2016-9773

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

UnratedPUBLISHEDCNA: redhat

CNA base scoreUnratedNo CNA CVSS vector

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.83% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 78.4% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2017-02-16 18:00Z9 YR AGO

Last updated

2024-08-06 02:59Z2 YR AGO

Reserved

2016-12-02

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
CWE-125Out-of-bounds ReadBase
CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

abb16860ba3d1b085ae7eaa46a5a110bf3d3f63da196d5cb3bf70af4fd4f6697

05 Affected products

VendorProductVersionsPlatforms

imagemagickimagemagickNot specified—

redhatenterprise_linuxNot specified—

redhatopenshiftNot specified—

06 References

blogs.gentoo.orghttps://blogs.gentoo.org/ago/2016/12/01/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h-incomplete-fix-for-cve-2016-9556/x_refsource_MISC
www.openwall.com[oss-security] 20161202 Re: Re: imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h) (Incomplete fix for CVE-2016-9556)http://www.openwall.com/lists/oss-security/2016/12/02/12mailing-listx_refsource_MLIST
www.openwall.com[oss-security] 20161201 imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h) (Incomplete fix for CVE-2016-9556)http://www.openwall.com/lists/oss-security/2016/12/01/4mailing-listx_refsource_MLIST
www.openwall.com[oss-security] 20161202 Re: imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h) (Incomplete fix for CVE-2016-9556)http://www.openwall.com/lists/oss-security/2016/12/02/11mailing-listx_refsource_MLIST