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This bug has been copied from bug #804145 and has been proposed
to be backported to 6.2 z-stream (EUS).

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
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    New Contents:
When sending a large amount of data over SSH, libssh2 could, under certain circumstances, fail to resume an interrupted key exchange. Instead of that, further data was erroneously sent, which caused the remote site to close the connection immediately. This update modifies the code of libssh2 so that libssh2 now properly resumes the interrupted key exchange before sending any further data. The connection remains open and the data transfer proceeds as expected.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2012-0431.html