A bug in the way python's repr function handles certain unicode objects. repr
mistakenly assumes that all unicode characters will be 6 characters in length
(UTF-16) when it is possible for some strings to use wide characters (UTF-32) to
overflow a buffer.
There is more information in the Ubuntu bug:
and the upstream bug:
This issue also affects RHEL3
Created attachment 137161 [details]
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.