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Expired Pointer Dereference

CVE-2025-49795

Severity High
Score 7.5/10

Summary

A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a Denial of Service (DoS).

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

CWE-825 - Expired Pointer Dereference

The program dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid.

Advisory Timeline

  • Published