CVE-2016-5766

Summary

CVECVE-2016-5766
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-08-07 10:59:13 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionInteger overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.

Risk And Classification

Primary CVSS: v3.0 8.8 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-190 | n/a


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Fedoraproject Fedora 22 All All All
Operating System Fedoraproject Fedora 23 All All All
Operating System Fedoraproject Fedora 24 All All All
Operating System Freebsd Freebsd 10.0 All All All
Operating System Freebsd Freebsd 10.1 All All All
Operating System Freebsd Freebsd 10.2 All All All
Operating System Freebsd Freebsd 10.3 All All All
Operating System Freebsd Freebsd 8.0 All All All
Operating System Freebsd Freebsd 8.1 All All All
Operating System Freebsd Freebsd 8.2 All All All
Operating System Freebsd Freebsd 8.3 All All All
Operating System Freebsd Freebsd 8.4 All All All
Operating System Freebsd Freebsd 9.0 All All All
Operating System Freebsd Freebsd 9.1 All All All
Operating System Freebsd Freebsd 9.2 All All All
Operating System Freebsd Freebsd 9.3 All All All
Application Libgd Libgd 2.2.2 All All All
Application Php Php 5.6.0 alpha1 All All
Application Php Php 5.6.0 alpha2 All All
Application Php Php 5.6.0 alpha3 All All
Application Php Php 5.6.0 alpha4 All All
Application Php Php 5.6.0 alpha5 All All
Application Php Php 5.6.0 beta1 All All
Application Php Php 5.6.0 beta2 All All
Application Php Php 5.6.0 beta3 All All
Application Php Php 5.6.0 beta4 All All
Application Php Php 5.6.1 All All All
Application Php Php 5.6.10 All All All
Application Php Php 5.6.11 All All All
Application Php Php 5.6.12 All All All
Application Php Php 5.6.13 All All All
Application Php Php 5.6.14 All All All
Application Php Php 5.6.15 All All All
Application Php Php 5.6.16 All All All
Application Php Php 5.6.17 All All All
Application Php Php 5.6.18 All All All
Application Php Php 5.6.19 All All All
Application Php Php 5.6.2 All All All
Application Php Php 5.6.20 All All All
Application Php Php 5.6.21 All All All
Application Php Php 5.6.22 All All All
Application Php Php 5.6.3 All All All
Application Php Php 5.6.4 All All All
Application Php Php 5.6.5 All All All
Application Php Php 5.6.6 All All All
Application Php Php 5.6.7 All All All
Application Php Php 5.6.8 All All All
Application Php Php 5.6.9 All All All
Application Php Php 7.0.0 All All All
Application Php Php 7.0.1 All All All
Application Php Php 7.0.2 All All All
Application Php Php 7.0.3 All All All
Application Php Php 7.0.4 All All All
Application Php Php 7.0.5 All All All
Application Php Php 7.0.6 All All All
Application Php Php 7.0.7 All All All
Application Php Php All All All All
Operating System Redhat Enterprise Linux 5 All All All
Operating System Redhat Enterprise Linux 6.0 All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Openshift 2.0 All enterprise All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-3619-1 libgd2 af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
PHP :: Sec Bug #72339 :: Integer Overflow in _gd2GetHeader() resulting in heap overflow af854a3a-2127-422b-91ae-364da2661108 bugs.php.net Exploit, Patch, Vendor Advisory
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
GD: Multiple vulnerabilities (GLSA 201612-09) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
LibGD 2.2.3 release af854a3a-2127-422b-91ae-364da2661108 libgd.github.io Release Notes
oss-security - Re: CVE for PHP 5.5.37 issues af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Release Notes
Fixed #72339 Integer Overflow in _gd2GetHeader() resulting in heap ov… · php/php-src@7722455 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Patch
[security-announce] openSUSE-SU-2016:1761-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[security-announce] SUSE-SU-2016:2013-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
PHP: PHP 7 ChangeLog af854a3a-2127-422b-91ae-364da2661108 php.net Release Notes
openSUSE-SU-2016:1922-1: moderate: Security update for php5 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
USN-3030-1: GD library vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
PHP: PHP 5 ChangeLog af854a3a-2127-422b-91ae-364da2661108 php.net Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 377230 Alibaba Cloud Linux Security Update for gd (ALINUX2-SA-2020:0194)
  • 730227 McAfee Web Gateway Multiple Vulnerabilities (WP-3426, WP-3427, WP-3307, WP-3444, WP-3452, WP-3475)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report