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Inefficient Regular Expression Complexity

CVE-2021-45470

High
7.5/10

Summary

lib/DatabaseLayer.py in cve-search before 4.1.0 allows regular expression injection, which can lead to ReDoS (regular expression denial of service) or other impacts.

  • 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