CVE-2026-33260

Insufficient input validation of internal webserver

State
Published
Severity
5.3 Medium
Published
Apr 22, 2026
Updated
Apr 22, 2026
Reserved
Mar 18, 2026

Read the record on cve.org

Description

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LOX

Weaknesses

  • CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

ProductVersions
AuthoritativePowerDNS
  • 5.0.0 to before 5.0.4Affected
  • 4.9.0 to before 4.9.14Affected
DNSdistPowerDNS
  • 1.9.0 to before 1.9.13Affected
  • 2.0.0 to before 2.0.4Affected
RecursorPowerDNS
  • 5.4.0 to before 5.4.1Affected
  • 5.3.0 to before 5.3.6Affected
  • 5.2.0 to before 5.2.9Affected

References

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