SUSE-SU-2017:1366-1

Description of the patch:

This update for libxml2 fixes the following issues:

• Fix NULL dereference in xpointer.c when in recovery mode [bsc#1014873]
• CVE-2016-9597: An XML document with many opening tags could have caused a overflow of the stack not detected by the recursion limits, allowing for DoS (bsc#1017497)
• CVE-2014-0191: External parameter entity loaded when entity substitution is disabled could cause a DoS. (bsc#876652)
• CVE-2016-9318: XML External Entity (XXE) could be abused via crafted document. (bsc#1010675)