Vulnerability Note VU#835936

Apple Type Services server font processing buffer overflow

Original Release date: 29 Nov 2006 | Last revised: 30 Nov 2006


A stack-based buffer overflow in Apple Type Services server may allow attackers to execute arbitrary code.


The Apple Type Services server fails to properly handle malformed font files possibly allowing a stack-based buffer overflow to occur.

Note that according to Apple, font files are processed when opened or previewed in Apple Finder.


A attacker may be able to execute arbitrary code.


Apple Updates
Apple advises all users to apply Apple Security Update 2006-007, as it fixes this and other critical security flaws.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Apple Computer, Inc.Affected-29 Nov 2006
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A N/A



This vulnerability was reported in Apple Security Update 2006-007.

This document was written by Jeff Gennari based on information from Apple.

Other Information

  • CVE IDs: CVE-2006-4400
  • Date Public: 28 Nov 2006
  • Date First Published: 29 Nov 2006
  • Date Last Updated: 30 Nov 2006
  • Severity Metric: 2.25
  • Document Revision: 26


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