kc3-lang/libxml2/test/schemas/issue491_0.xsd

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• Hash : e4f85f1b
  Author :
  Date : 2023-04-07T11:46:35
  

  [CVE-2023-28484] Fix null deref in xmlSchemaFixupComplexType
  
  Fix a null pointer dereference when parsing (invalid) XML schemas.
  
  Thanks to Robby Simpson for the report!
  
  Fixes #491.
  

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• test/schemas/issue491_0.xsd

• <?xml version='1.0' encoding='UTF-8'?>
  <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://www.test.com" targetNamespace="http://www.test.com" elementFormDefault="qualified" attributeFormDefault="unqualified">
    <xs:complexType name="BaseType">
      <xs:simpleContent>
        <xs:extension base="xs:int" />
      </xs:simpleContent>
    </xs:complexType>
    <xs:complexType name="ChildType">
      <xs:complexContent>
        <xs:extension base="BaseType">
          <xs:sequence>
            <xs:element name="bad" type="xs:int" minOccurs="0" maxOccurs="1"/>
          </xs:sequence>
        </xs:extension>
      </xs:complexContent>
    </xs:complexType>
    <xs:element name="Child" type="ChildType" />
  </xs:schema>
  

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