Critical severity · published Dec 13, 2016
CVE-2016-6520
Buffer overflow in MagickCore/enhance.c in ImageMagick before 7.0.2-7 allows remote attackers to have unspecified impact via vectors related to pixel cache morphology
9.1
CVSS
4.2%
EPSS
No
On KEV
Description
Buffer overflow in MagickCore/enhance.c in ImageMagick before 7.0.2-7 allows remote attackers to have unspecified impact via vectors related to pixel cache morphology.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IM
Imagemagick · Imagemagick
7.0.0-0 before 7.0.2-7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6520
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6520
Release Notes
http://www.imagemagick.org/script/changelog.php
Mailing List
http://www.openwall.com/lists/oss-security/2016/08/02/10
Mailing List
http://www.openwall.com/lists/oss-security/2016/08/02/6
Patch
http://www.securitytracker.com/id/1036502
Patch
https://github.com/ImageMagick/ImageMagick/commit/76401e172ea3a55182be2b8e2aca4d07270f6da6
More from Imagemagick
8.4
CVE-2016-3714
ImageMagick Improper Input Validation Vulnerability
5.5
CVE-2016-3715
ImageMagick Arbitrary File Deletion Vulnerability
5.5
CVE-2016-3718
ImageMagick Server-Side Request Forgery (SSRF) Vulnerability
9.8
CVE-2026-25986
ImageMagick has a heap buffer overflow in YUV 4:2:2 decoder
9.8
CVE-2026-25983
ImageMagick has Use After Free in MSLStartElement in "coders/msl.c"