Archived - About the security content of the Mac OS X 10.4.10 Update
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Available for: Mac OS X v10.4 through Mac OS X v10.4.9, Mac OS X Server v10.4 through Mac OS X Server v10.4.9
Impact: Remote attackers may be able to adversely affect network performance
Description: A design issue exists in the IPv6 protocol's handling of type 0 routing headers. Depending on network topology and capacity, the reception of specially crafted IPv6 packets may lead to a reduction in network bandwidth. This update addresses the issue by disabling the support for type 0 routing headers. This issue does not affect systems prior to Mac OS X v10.4.