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Improper Input Validation

CVE-2022-4904

High
8.6/10

Summary

A flaw was found in the c-ares package. The "ares_set_sortlist" is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a Denial of Service or a limited impact on confidentiality and integrity. This vulnerability affects c-ares versions prior to 1.19.0.

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

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published