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Uncontrolled Recursion

CVE-2025-57809

Severity High
Score 7.7/10

Summary

XGrammar is an open-source library for efficient, flexible, and portable structured generation. In versions prior to 0.1.21, XGrammar has an infinite recursion issue in the grammar.

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

CWE-674 - Uncontrolled Recursion

The product does not properly control the amount of recursion which takes place, consuming excessive resources, such as allocated memory or the program stack.

Advisory Timeline

  • Published