Printer Setup in Apple Mac OS X 10.6 before 10.6.4 does not properly interpret character encoding, which allows remote attackers to cause a denial of service (printing failure) by deploying a printing device that has a Unicode character in its printing-service name.
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.