Linux Distros Unpatched Vulnerability : CVE-2026-57435

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri's CRuby native extension could leave a Ruby wrapper...

CVE-2026-57438

A flaw was found in Nokogiri, an XML and HTML library for the Ruby programming language. When performing XInclude substitutions, the library prematurely frees memory associated with nodes and namespaces. If an application has exposed these freed objects to Ruby, a local attacker could potentially...

GHSA-WFPW-MMFH-QQ69 Nokogiri: Possible Use-After-Free in XInclude Processing

Summary XInclude substitution performed by Nokogiri::XML::Nodedoxinclude replaced each in place, freeing the include node along with its children such as and its descendants and any namespaces declared on them. If an application had already exposed one of those nodes or namespaces to Ruby, the...

GHSA-P67V-3W7G-WJG7 Nokogiri: Possible Use-After-Free when directly using `NokogirI::XML::XPathContext` beyond document lifetime

Summary Nokogiri::XML::XPathContext did not keep its source document alive for garbage collection. If an XPathContext outlived its document and the document was collected, evaluating an XPath expression could read invalid memory and potentially segfault. This is only reachable when application co...