Unspecified vulnerability in AppKit in Apple Mac OS X before 10.5 allows user-assisted remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted document file, as demonstrated by opening the document with TextEdit.
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.