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Inefficient Regular Expression Complexity

CVE-2022-40899

High
7.5/10

Summary

An issue discovered in Python Charmers Future prior to 0.18.3 allows remote attackers to cause a Denial-of-Service (DoS) via crafted "Set-Cookie" header from the malicious web server.

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

CWE-1333 - Inefficient Regular Expression Complexity

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References

Advisory Timeline

  • Published