CVE-2026-57434

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.

PUBLISHED Reserved 2026-06-24 | Published 2026-06-25 | Updated 2026-06-25 | Assigner GitHub_M

Problem types

CWE-476: NULL Pointer Dereference

Product status

References

github.com/...kogiri/security/advisories/GHSA-9cv2-cfxc-v4v2

cve.org (CVE-2026-57434)

nvd.nist.gov (CVE-2026-57434)

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