CVE-2019-13118: Improper Input Validation

June 30, 2019 (updated July 22, 2019)

In numbers.c in libxslt, which is used by nokogiri, 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.

References

nvd.nist.gov/vuln/detail/CVE-2019-13118

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