Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-57434

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri contains a bug when calling certain methods on allocated-but-uninitialized native wrapper classes that inherit from Nokogiri::XML::Node. This caused a NULL pointer dereference that could crash the process. This vulnerability is fixed in 1.19.4.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 27.7%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-57434


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