CVE-2017-5029: Upstream libxslt vulnerabilities

April 24, 2017 (updated January 5, 2018)

The xsltAddTextString function in transform.c in libxslt, as used by nokogiri, lacks a check for integer overflow during a size calculation, which allows a remote attacker to perform an out-of-bounds memory write via a crafted HTML page.

References

www.securityfocus.com/bid/96767
crbug.com/676623
github.com/sparklemotion/nokogiri/issues/1634
nvd.nist.gov/vuln/detail/CVE-2017-5029

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