Apple has recently published the Security Update 2009-001 that will be available for Leopard, Leopard Server, Tiger for Intel Macs, Tiger for PowerPC-based Macs, Tiger Server for PowerPC-based Macs and Server Universal.
security reasons, Apple won’t be disclosing or discussing any issues until they do a full investigation. For now there are two Java updates which addresses
security and compatibility issues. This update is compatible with both Intel and PowerPC-based Macs and applies to Mac OS X 10.5.6 or later version
- AFP Server
Available for: Mac OS X v10.5.6, Mac OS X Server v10.5.6
Impact: A user with the ability to connect to AFP Server may be a able to trigger a denial of service
Description: A race condition in AFP Server may lead to an infinite loop. Enumerating files on an AFP server may lead to a denial of service. This update addresses the issue through improved file enumeration logic. This issue only affects systems running Mac OS X v10.5.6.