postgresql93 was updated to version 9.3.6 to fix four security issues.
These security issues were fixed: - CVE-2015-0241: Fix buffer overruns in to_char() (bnc#916953). - CVE-2015-0243: Fix buffer overruns in contrib/pgcrypto (bnc#916953). - CVE-2015-0244: Fix possible loss of frontend/backend protocol synchronization after an error (bnc#916953). - CVE-2014-8161: Fix information leak via constraint-violation error messages (bnc#916953).
This non-security issue was fixed: - Move the server socket from /tmp to /var/run to avoid problems with clients that use PrivateTmp (bnc#888564).
More information is available at http://www.postgresql.org/docs/9.3/static/release-9-3-6.html