libxml2: Out-of-bounds Read in xmlSchemaIDCFillNodeTables

A flaw was found in the libxml2 library. A heap-based underflow can be triggered when a crafted XML document is validated against an XML schema with certain identity constraints or when a crafted XML schema is used, causing a crash to the application linked to the library and resulting in a denia...

OESA-2025-1457 libxml2 security update

This library allows to manipulate XML files. It includes support to read, modify and write XML and HTML files. There is DTDs support this includes parsing and validation even with complex DtDs, either at parse time or later once the document has been modified. The output can be a simple SAX strea...