VulnerabilityModified

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 crafted image file.

MEDIUM 5.5EPSS 1.83%

Does this matter?

Lower severity and a low EPSS score (1.83%). Track it; it rarely justifies an emergency change on its own.

Description

CVSS 3.0: 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 1.83% probability · 79th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-119, CWE-125
Affected: imagemagick/imagemagick
Source: secalert@redhat.com

EPSS trend

EPSS 1.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.