It was discovered that PHP ImageMagick extension didn't check the address used by an array. An attacker could use this issue to cause PHP ImageMagick to crash, resulting in a denial of service.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "3.4.3~rc2-2ubuntu4.1", "binary_name": "php-imagick" }, { "binary_version": "3.4.3~rc2-2ubuntu4.1", "binary_name": "php-imagick-dbgsym" } ] }