I am able to reproduce this error with php5-xmlrpc 5.2.4-2ubuntu5.3 from hardy-updates on i386, and can confirm that php5-xmlrpc 5.2.4-2ubuntu5.4 in hardy-proposed address the issue. It also passes the security team's regression tests (I've added the above to their testsuite).
More checks for regressions would be useful, though.
I am able to reproduce this error with php5-xmlrpc 5.2.4-2ubuntu5.3 from hardy-updates on i386, and can confirm that php5-xmlrpc 5.2.4-2ubuntu5.4 in hardy-proposed address the issue. It also passes the security team's regression tests (I've added the above to their testsuite).
More checks for regressions would be useful, though.