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NULL Pointer Dereference

CVE-2023-28484

Medium
6.5/10

Summary

In libxml2 versions prior to 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL Pointer Dereference and subsequently a segfault. This occurs in "xmlSchemaFixupComplexType" in "xmlschemas.c".

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • REQUIRED
  • NONE
  • NONE
  • HIGH

CWE-476 - NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

References

Advisory Timeline

  • Published