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About Security Update 2011-003

This document describes Security Update 2011-003.

This document describes Security Update 2011-003, which can be downloaded and installed via Software Update preferences, or from Apple Downloads.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key."

Where possible, CVE IDs are used to reference the vulnerabilities for further information.

To learn about other Security Updates, see "Apple Security Updates."

Security Update 2011-003

  • File Quarantine

    Available for: Mac OS X v10.6.7, Mac OS X Server v10.6.7

    Impact: Definition added

    Description: The OSX.MacDefender.A definition has been added to the malware check within File Quarantine. Information on File Quarantine is available in this Knowledge Base article: http://support.apple.com/kb/HT3662

  • File Quarantine

    Available for: Mac OS X v10.6.7, Mac OS X Server v10.6.7

    Impact: Automatically update the known malware definitions

    Description: The system will check daily for updates to the File Quarantine malware definition list. An opt-out capability is provided via the "Automatically update safe downloads list" checkbox in Security Preferences. Additional information is available in this Knowledge Base article: http://support.apple.com/kb/HT4651

  • Malware removal

    Available for: Mac OS X v10.6.7, Mac OS X Server v10.6.7

    Impact: Remove the MacDefender malware if detected

    Description: The installation process for this update will search for and remove known variants of the MacDefender malware. If a known variant was detected and removed, the user will be notified via an alert after the update is installed. Additional information is available in this Knowledge Base article: http://support.apple.com/kb/HT4651

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.
Last Modified: Mar 7, 2013
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  • Last Modified: Mar 7, 2013
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