Vulnerability Note VU#389868

Apple WebKit frame rendering memory corruption vulnerability

Original Release date: 22 Jun 2007 | Last revised: 04 Jun 2008


The Apple Webkit contains a memory corruption vulnerability.This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary code.


According to Apple:

    WebKit is the open source core of Apple's Safari web browser. It is available as a framework in Mac OS X for use in your applications.
More information about WebKit is available at the WebKit Project web site.

The Apple Webkit fails to properly perform type conversions when rendering frame sets possibly allowing memory corruption to occur. If a remote attacker persuades a user to access a specially crafted web page with software that uses WebKit, that attacker may be able corrupt memory in a way that will let them execute arbitrary code.

This vulnerability may affect any software that uses the Apple WebKit, including the Safari web browser.

Note that this vulnerability is reported to affect software on both the Windows and Apple OS X operating systems.


A remote, unauthenticated attacker may be able to execute arbitrary code.


Apply Apple Updates
Apple has released an update to address this vulnerability. Refer to Apple Security Update 2007-006 for more information.

According to Apple:

    Safari 3 Beta Update 3.0.2 will appear for systems running Safari 3 Beta and includes the entire contents of Security Update 2007-006. Security Update 2007-006 itself will not appear via Software Update for systems that have installed Safari 3 Beta.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Apple Computer, Inc.Affected22 Jun 200722 Jun 2007
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 2007-006. Apple credits Rhys Kidd of Westnet with providing information about this vulnerability.

This document was written by Jeff Gennari.

Other Information

  • CVE IDs: CVE-2007-2399
  • Date Public: 22 Jun 2007
  • Date First Published: 22 Jun 2007
  • Date Last Updated: 04 Jun 2008
  • Severity Metric: 2.55
  • Document Revision: 25


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