CVE-2016-7521

Name: CVE-2016-7521
Creator: NVD / NIST
Published: 2017-04-20T18:59:01.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 3.57%

Last modified Jun 17, 2026

CVE-2016-7521 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Heap-based buffer overflow in coders/psd.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PSD file.. EPSS estimates a 3.57% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in coders/psd.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PSD file.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

3.57%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Imagemagick	Imagemagick	< 6.9.4-0

References

http://www.openwall.com/lists/oss-security/2016/09/22/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/93131Third Party Advisory, VDB Entry
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537418Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1378748Issue Tracking, Patch, Third Party Advisory
https://github.com/ImageMagick/ImageMagick/commit/30eec879c8b446b0ea9a3bb0da1a441cc8482bc4Patch
https://github.com/ImageMagick/ImageMagick/issues/92Issue Tracking, Patch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/09/22/2Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/93131Third Party Advisory, VDB Entry
https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1537418Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1378748Issue Tracking, Patch, Third Party Advisory
https://github.com/ImageMagick/ImageMagick/commit/30eec879c8b446b0ea9a3bb0da1a441cc8482bc4Patch
https://github.com/ImageMagick/ImageMagick/issues/92Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Apr 20, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-7521?

Heap-based buffer overflow in coders/psd.c in ImageMagick allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PSD file.

How severe is CVE-2016-7521?

CVE-2016-7521 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 3.57% probability of exploitation in the next 30 days.

How do I fix CVE-2016-7521?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-7521?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST