RubySec

Providing security resources for the Ruby community

CVE-2019-5815 (nokogiri): Nokogiri implementation of libxslt vulnerable to heap corruption

ADVISORIES

GEM

nokogiri

SEVERITY

CVSS v3.x: 7.5 (High)

CVSS v2.0: 5.0 (Medium)

PATCHED VERSIONS

  • >= 1.10.5

DESCRIPTION

Type confusion in xsltNumberFormatGetMultipleLevel prior to libxslt 1.1.33 could allow attackers to potentially exploit heap corruption via crafted XML data.

Nokogiri prior to version 1.10.5 contains a vulnerable version of libxslt. Nokogiri version 1.10.5 upgrades the dependency to libxslt 1.1.34, which contains a patch for this issue.

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