Security update for memcached

Open Source Vulnerabilities SUSE-SU-2018:0807-1

This update for memcached fixes the following issues: Security issues fixed: - CVE-2011-4971: remote DoS (bsc#817781). - CVE-2013-0179: DoS when printing out keys to be deleted in verbose mode (bsc#798458). - CVE-2013-7239: SASL authentication allows wrong credentials to access memcache (bsc#857188). - CVE-2013-7290: remote DoS (segmentation fault) via a request to delete a key (bsc#858677). - CVE-2013-7291: remote DoS (crash) via a request that triggers 'unbounded key print' (bsc#858676). - CVE-2016-8704: Server append/prepend remote code execution (bsc#1007871). - CVE-2016-8705: Server update remote code execution (bsc#1007870). - CVE-2016-8706: Server ASL authentication remote code execution (bsc#1007869). - CVE-2017-9951: Heap-based buffer over-read in try_read_command function (incomplete fix for CVE-2016-8705) (bsc#1056865).