CVE-2023-54354

Nokogiri before 1.14.3 (CRuby implementation only, when using the packaged libxml2) bundles libxml2 v2.10.3 , which contains NULL pointer dereference vulnerabilities in XML Schema processing functions (xmlSchemaFixupComplexType and xmlSchemaCheckCOSSTDerivedOK ). An attacker supplying a crafted o...

GHSA-WJV4-X9W8-WM3H Nokogiri: Possible Use-After-Free when setting `Document#root=` to an invalid node type

Summary Nokogiri::XML::Documentroot= validated only that the new root was a Nokogiri::XML::Node, allowing a DTD node to be set as the document root. The result is a heap use-after-free during garbage collection or finalization, leading to an invalid memory read or potentially a segfault. Nokogiri...