CVE-2016-5766

Name of the Vulnerable Software and Affected Versions GD Graphics Library versions prior to 2.2.3 PHP versions prior to 5.5.37 PHP versions 5.6.x prior to 5.6.23 PHP versions 7.x prior to 7.0.8

Description The issue is related to an integer overflow in the gd2GetHeader function, which can be exploited by remote attackers using crafted chunk dimensions in an image. This can lead to a denial of service, causing a heap-based buffer overflow and application crash, or possibly have other unspecified impacts.

Recommendations For GD Graphics Library versions prior to 2.2.3, update to version 2.2.3 or later. For PHP versions prior to 5.5.37, update to version 5.5.37 or later. For PHP versions 5.6.x prior to 5.6.23, update to version 5.6.23 or later. For PHP versions 7.x prior to 7.0.8, update to version 7.0.8 or later.