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Xcode 6.2 beta 3
Available for: OS X Mavericks v10.9.4 or later
Impact: Synching with a malicious git repository may allow unexpected files to be added to the .git folder
Description: The checks involved in disallowed paths did not account for case insensitivity or unicode characters. This issue was addressed by adding additional checks.
CVE-2014-9390 : Matt Mackall of Mercurial and Augie Fackler of Mercurial