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Inefficient Regular Expression Complexity

CVE-2021-43306

High
7.5/10

Summary

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the jquery-validation npm package before 1.19.4, when an attacker is able to supply arbitrary input to the url2 method.

  • 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