This update for libxml2 fixes the following issues:
Security issue fixed:
- CVE-2018-14404: Prevent NULL pointer dereference in the xmlXPathCompOpEval()
function when parsing an invalid XPath expression in the XPATH_OP_AND or
XPATH_OP_OR case leading to a denial of service attack (bsc#1102046)
Other Issue fixed:
- Fixed a bug related to the fix for CVE-2016-9318 which allowed xsltproc to access
the internet even when --nonet was given and also was making docbook-xsl-stylesheets to have
incomplete xml catalog file (bsc#1010675, bsc#1126613 and bsc#1110146).