PGP Desktop before 9.10 allows local users to (1) cause a denial of service (crash) via a crafted IOCTL request to pgpdisk.sys, and (2) cause a denial of service (crash) and execute arbitrary code via a crafted IRP in an IOCTL request to pgpwded.sys.
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.