HOMEVULNERABILITIESCVE-2016-6207
MEDIUM

CVE-2016-6207

CWE-119Published: August 12, 2016· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2016-6207 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
libgd1 product(s)
libgd
openSUSE1 product(s)
leap
PHP1 product(s)
php
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://www.securitytracker.com/id/1036535
PATCHhttp://www.securitytracker.com/id/1036535
ADVISORYhttp://lists.opensuse.org/opensuse-updates/2016-08/msg00086.html
ADVISORYhttp://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
ADVISORYhttp://packetstormsecurity.com/files/138174/LibGD-2.2.2-Integer-Overflow-Denial-Of-Service.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2750.html
ADVISORYhttp://www.debian.org/security/2016/dsa-3630
ADVISORYhttp://www.securityfocus.com/archive/1/539100/100/0/threaded
ADVISORYhttp://www.securityfocus.com/bid/92080
ADVISORYhttp://www.ubuntu.com/usn/USN-3060-1
ADVISORYhttps://bugs.php.net/bug.php?id=72558
ADVISORYhttps://libgd.github.io/release-2.2.3.html
ADVISORYhttps://secunia.com/secunia_research/2016-9/
ADVISORYhttps://security.gentoo.org/glsa/201612-09
ADVISORYhttp://lists.opensuse.org/opensuse-updates/2016-08/msg00086.html
ADVISORYhttp://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
ADVISORYhttp://packetstormsecurity.com/files/138174/LibGD-2.2.2-Integer-Overflow-Denial-Of-Service.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2750.html
ADVISORYhttp://www.debian.org/security/2016/dsa-3630
ADVISORYhttp://www.securityfocus.com/archive/1/539100/100/0/threaded
ADVISORYhttp://www.securityfocus.com/bid/92080
ADVISORYhttp://www.ubuntu.com/usn/USN-3060-1
ADVISORYhttps://bugs.php.net/bug.php?id=72558
ADVISORYhttps://libgd.github.io/release-2.2.3.html
ADVISORYhttps://secunia.com/secunia_research/2016-9/
ADVISORYhttps://security.gentoo.org/glsa/201612-09

All References (26)

→
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

Quick Facts

CVE IDCVE-2016-6207
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-119
CISA KEVNo
Affected4 vendor(s)
PublishedAug 12, 2016

Related CVEs (CWE-119)

CVE-2009-3846
10.0
CVE-2009-0869
10.0
CVE-2009-1382
10.0
CVE-2009-3952
10.0
CVE-2009-0836
10.0
CVE-2011-0262
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-6207 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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