The Russian government has decided not to move back from DST later this year:
So this seems to need correction:
# zdump -v Europe/Moscow | grep 2011
Europe/Moscow Sat Mar 26 22:59:59 2011 UTC = Sun Mar 27 01:59:59 2011 MSK isdst=0 gmtoff=10800
Europe/Moscow Sat Mar 26 23:00:00 2011 UTC = Sun Mar 27 03:00:00 2011 MSD isdst=1 gmtoff=14400
Europe/Moscow Sat Oct 29 22:59:59 2011 UTC = Sun Oct 30 02:59:59 2011 MSD isdst=1 gmtoff=14400
Europe/Moscow Sat Oct 29 23:00:00 2011 UTC = Sun Oct 30 02:00:00 2011 MSK isdst=0 gmtoff=10800
2011h is out.
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 therefore 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.
*** Bug 736380 has been marked as a duplicate of this bug. ***