This update to version 9.1.9 fixes:

- CVE-2013-1899: Fix insecure parsing of server command-line switches.
- CVE-2013-1900: Reset OpenSSL randomness state in each postmaster child process.
- CVE-2013-1901: Make REPLICATION privilege checks test current user not authenticated user.

Security Issues:

- [CVE-2013-1899](http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1899)
- [CVE-2013-1900](http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1900)
- [CVE-2013-1901](http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1901)