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CVE-2016-7520

18
FAUCET Score

CVE-2016-7520 describes a heap-based buffer overflow vulnerability in ImageMagick's coders/hdr.c, allowing remote attackers to trigger a denial of service via a crafted HDR file. Rated Medium (CVSS 6.5), this vulnerability requires user interaction (UI:R) but has low attack complexity (AC:L) and can lead to high availability impact (A:H). There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.9.4-0CPE matchmatch criteria
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.09%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0309 is in the 94th percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: ImageMagick
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ImageMagick
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Enterprise 2Fixed in: ImageMagick

Vendor Advisories (1)

redhatCVE-2016-7520Low

ImageMagick: heap-buffer-overflow read in coders/hdr.c

Jan 13, 2016

References

bugs.launchpad.net / ubuntu/+source/imagemagick/+bug/1537213
Issue TrackingThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / ImageMagick/ImageMagick/commit/14e606db148d6ebcaae20f1e1d6d71903ca4a556
Patch
github.com / ImageMagick/ImageMagick/issues/90
Issue TrackingPatchVendor Advisory
openwall.com / lists/oss-security/2016/09/22/2
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/93131
Third Party AdvisoryVDB Entry