Vulnerability Description
Integer 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Openshift | 2.0 |
| Freebsd | Freebsd | 8.3 |
| Redhat | Enterprise Linux | 6.0 |
| Libgd | Libgd | 2.2.2 |
| Php | Php | <= 5.5.36 |
| Fedoraproject | Fedora | 23 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=ExploitPatch
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://php.net/ChangeLog-5.phpRelease Notes
- http://php.net/ChangeLog-7.phpRelease Notes
- http://rhn.redhat.com/errata/RHSA-2016-2598.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3619Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/23/4Release Notes
- http://www.ubuntu.com/usn/USN-3030-1
- https://bugs.php.net/bug.php?id=72339ExploitPatchVendor Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c
- https://libgd.github.io/release-2.2.3.htmlRelease Notes
- https://security.gentoo.org/glsa/201612-09
FAQ
What is CVE-2016-5766?
CVE-2016-5766 is a vulnerability with a CVSS score of 8.8 (HIGH). Integer 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 a...
How severe is CVE-2016-5766?
CVE-2016-5766 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-5766?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Openshift, Freebsd Freebsd, Redhat Enterprise Linux, Libgd Libgd, Php Php.