This update for libxslt fixes the following issues: Security issues fixed: - CVE-2019-13118: Fixed a read of uninitialized stack data . - CVE-2019-13117: Fixed a uninitialized read which allowed to discern whether a byte on the stack contains certain special characters . - CVE-2019-18197: Fixed a dangling pointer in xsltCopyText which may have led to information disclosure .