Foxit Reader, Enterprise Reader, and PhantomPDF before 7.1 allow remote attackers to cause a denial of service (memory corruption and crash) via a crafted (1) Ubyte Size in a DataSubBlock structure or (2) LZWMinimumCodeSize in a GIF image.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.