CVE-2016-5688

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-12-13 · updated 2026-06-17
Weakness: CWE-119

Description

The WPG parser in ImageMagick before 6.9.4-4 and 7.x before 7.0.1-5, when a memory limit is set, allows remote attackers to have unspecified impact via vectors related to the SetImageExtent return-value check, which trigger (1) a heap-based buffer overflow in the SetPixelIndex function or an invalid write operation in the (2) ScaleCharToQuantum or (3) SetPixelIndex functions.

Affected products

ImageMagick: through 6.9.4-3; 7.0.1-0, 7.0.1-1, 7.0.1-2, 7.0.1-3, 7.0.1-4
Oracle Corporation Solaris Operating System: 11.3

References

http://www.openwall.com/lists/oss-security/2016/06/14/5
http://www.openwall.com/lists/oss-security/2016/06/17/3
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.securityfocus.com/bid/91283
https://blog.fuzzing-project.org/46-Various-invalid-memory-reads-in-ImageMagick-WPG%2C-DDS%2C-DCM.html
https://github.com/ImageMagick/ImageMagick/commit/aecd0ada163a4d6c769cec178955d5f3e9316f2f
https://github.com/ImageMagick/ImageMagick/commit/fc43974d34318c834fbf78570ca1a3764ed8c7d7
https://github.com/ImageMagick/ImageMagick/commits/6.9.4-4
https://github.com/ImageMagick/ImageMagick/commits/7.0.1-5
http://www.openwall.com/lists/oss-security/2016/06/14/5
http://www.openwall.com/lists/oss-security/2016/06/17/3
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html

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