libxml2: use-after-free in XMLReader

A use-after-free flaw was found in libxml2. When using the XML Reader interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to an xmlValidatePopElement use-after-free...

Use After Free

Overview nokogiri is a gem for parsing HTML, XML, SAX, and Reader. Affected versions of this package are vulnerable to Use After Free via the xmlTextReader module. An attacker can cause denial of service by processing crafted XML documents with DTD validation and XInclude expansion enabled...