Improper Encoding or Escaping of Output Affecting dnsdist package, versions [,1.9.13)[2.0.0-alpha0,2.0.4)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.35% (27th percentile)

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  • Snyk IDSNYK-UNMANAGED-DNSDIST-16299944
  • published26 Apr 2026
  • disclosed23 Apr 2026
  • creditUnknown

Introduced: 23 Apr 2026

CVE-2026-33597  (opens in a new tab)
CWE-116  (opens in a new tab)

How to fix?

Upgrade dnsdist to version 1.9.13, 2.0.4 or higher.

Overview

Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output in the PRSD detection process. An attacker can cause the service to become unavailable by sending specially crafted requests that trigger excessive resource consumption.

References

CVSS Base Scores

version 4.0
version 3.1