MGASA-2018-0048 Updated libxml2 & perl-XML-LibXML packages fix security vulnerabilities

Use-after-free error could lead to crash CVE-2016-4658. Use-after-free vulnerability in libxml2 through 2.9.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the XPointer range-to function CVE-2016-5131. libxml2 2.9.4 and earli...