CVE-2026-57434 – Nokogiri: Null Pointer Dereference calling methods on uninitialized wrapper classes

CVE ID :CVE-2026-57434

Published : June 25, 2026, 2:32 p.m. | 1 hour, 12 minutes ago

Description :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.

Severity: 0.0 | NA

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