High severity7.5NVD Advisory· Published Jun 25, 2026· Updated Jun 26, 2026
CVE-2026-57434
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.
Affected products
2- Range: <1.19.4
Patches
Vulnerability mechanics
References
1- github.com/sparklemotion/nokogiri/security/advisories/GHSA-9cv2-cfxc-v4v2nvdMitigationVendor Advisory
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