CVE-2026-33610

Possible file descriptor exhaustion in forward-dnsupdate

State
Published
Severity
5.9 Medium
Published
Apr 22, 2026
Updated
Apr 22, 2026
Reserved
Mar 23, 2026

Read the record on cve.org

Description

A rogue primary server may cause file descriptor exhaustion and eventually a denial of service, when a PowerDNS secondary server forwards a DNS update request to it.

Scores

CVSSScoreVectorSource
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HOX

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption

Affected Products

ProductVersions
AuthoritativePowerDNS
  • 5.0.0 to before 5.0.4Affected
  • 4.9.0 to before 4.9.14Affected

References

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