CVE-2026-33611 (GCVE-0-2026-33611)

Vulnerability from cvelistv5 – Published: 2026-04-22 14:01 – Updated: 2026-04-22 14:24
VLAI?
Title
Insufficient validation of HTTPS and SVCB records
Summary
An operator allowed to use the REST API can cause the Authoritative server to produce invalid HTTPS or SVCB record data, which can in turn cause LMDB database corruption, if using the LMDB backend.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CWE
  • Integer Overflow or Wraparound
Assigner
OX
References
Impacted products
Vendor Product Version
PowerDNS Authoritative Affected: 5.0.0 , < 5.0.4 (semver)
Affected: 4.9.0 , < 4.9.14 (semver)
Create a notification for this product.
Date Public ?
2026-04-08 22:00
Credits
Tibs
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.