libxslt: Use-After-Free in libxslt numbers.c

A flaw was found in libxslt numbers.c. This vulnerability allows a use-after-free, potentially leading to memory corruption or code execution via nested XPath evaluations where an XPath context node can be modified but not restored...

CVE-2019-13117

In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character...