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Inefficient Algorithmic Complexity

CVE-2025-11230

High
7.5/10

Summary

Inefficient algorithm complexity in mjson in HAProxy allows remote attackers to cause a Denial-of-Service (DoS) via specially crafted JSON requests. Versions 2.4.x prior to 2.4.30, 2.6.x prior to 2.6.23, 2.8.x prior to 2.8.16, 3.0.x prior to 3.0.12, 3.1.x prior to 3.1.9, and 3.2.x prior to 3.2.6.

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

CWE-407 - Inefficient Algorithmic Complexity

An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.

References

Advisory Timeline

  • Published