Lync 2013 crashes when you join a meeting that is hosted on Lync Server 2010 as an anonymous user

This issue occurs frequently during a meeting that is created in an organization that is not federated with your organization.

Resolution

To resolve this issue, install the following update:

2899507 November 11, 2014 update for Lync 2013 (KB2899507)

More Information

This issue occurs because buffer over-read occurs in MD5 processing code when it converts binary hash value to hexadecimal representation.

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