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

CVE-2026-57434

Nokogiri: Null Pointer Dereference calling methods on uninitialized wrapper classes PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
sparklemotion / nokogiri	affected < 1.19.4

CWE

CWE-476

References

https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-9cv2-cfxc-v4v2

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.