Looks like Naum-Gothic font is used by default. Removing 'fonts-nanum' package solved the issue for me.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/945461 Title: The default font used for Qt4 is broken (regarding cyrillic text) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-font-family-sources/+bug/945461/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs