In numbers.c in libxslt 1.1.33, a type holding grouping characters of an xsl:number instruction was too narrow and an invalid character/length combination could be passed to xsltNumberFormatDecimal, leading to a read of uninitialized stack data.
CREATE(Triage): {Link=https://nvd.nist.gov/vuln/detail/CVE-2019-13118 User=admin}
