CoreTypes in Apple Mac OS X before 10.8.3 includes JNLP files in the list of safe file types, which allows remote attackers to bypass a Java plug-in disabled setting, and trigger the launch of Java Web Start applications, via a crafted web site.

The Apple mod_hfs_apple module for the Apache HTTP Server in Apple Mac OS X before 10.8.3 does not properly handle ignorable Unicode characters, which allows remote attackers to bypass intended directory authentication requirements via a crafted pathname in a URI.

Use-after-free vulnerability in PDFKit in Apple Mac OS X before 10.8.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted ink annotations in a PDF document.