CVE-2016-6207

Name: CVE-2016-6207
Creator: NVD / NIST
Published: 2016-08-12T15:59:03.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 6.28%

Last modified Jun 17, 2026

CVE-2016-6207 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Integer overflow in the _gdContributionsAlloc function in gd_interpolation.c in GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds memory write or memory consumption) via unspecified vectors.. EPSS estimates a 6.28% chance of exploitation in the next 30 days.

Description

Integer overflow in the _gdContributionsAlloc function in gd_interpolation.c in GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds memory write or memory consumption) via unspecified vectors.

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

6.28%

92.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Libgd	Libgd	<= 2.2.2
Debian	Debian Linux	8.0
Opensuse	Leap	42.1
Php	Php	>= 5.5.0, < 5.5.38
Php	Php	>= 5.6.0, < 5.6.24
Php	Php	>= 7.0.0, < 7.0.9

References

http://lists.opensuse.org/opensuse-updates/2016-08/msg00086.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/138174/LibGD-2.2.2-Integer-Overflow-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3630Third Party Advisory
http://www.securityfocus.com/archive/1/539100/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/92080Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036535Patch, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3060-1Mailing List, Third Party Advisory
https://bugs.php.net/bug.php?id=72558Issue Tracking, Vendor Advisory
https://libgd.github.io/release-2.2.3.htmlVendor Advisory
https://secunia.com/secunia_research/2016-9/Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201612-09Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00086.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/138174/LibGD-2.2.2-Integer-Overflow-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2750.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3630Third Party Advisory
http://www.securityfocus.com/archive/1/539100/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/92080Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036535Patch, Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-3060-1Mailing List, Third Party Advisory
https://bugs.php.net/bug.php?id=72558Issue Tracking, Vendor Advisory
https://libgd.github.io/release-2.2.3.htmlVendor Advisory
https://secunia.com/secunia_research/2016-9/Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201612-09Third Party Advisory

Timeline

Published: Aug 12, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-6207?

How severe is CVE-2016-6207?

CVE-2016-6207 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 6.28% probability of exploitation in the next 30 days.

How do I fix CVE-2016-6207?

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-2016-6207?

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

Scan your code now

Source: NVD / NIST