system
Describe <CVE-2016-6128>.
user
What is <CVE-2016-6128>?
assistant
The gdImageCropThreshold function in gd_crop.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 7.0.9, allows remote attackers to cause a denial of service (application crash) via an invalid color index..