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TI-2026-25993 Aliases CVE-2026-33611GHSA-vqqc-7rwf-3j3j

Insufficient validation of HTTPS and SVCB records

Priority LOW 29CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00423 36th percentileScored 2026-11-07
Fix Fixed Authoritative (PowerDNS): 5.0.4, 4.9.14

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PowerDNSAuthoritative5.0.0 to before 5.0.4; 4.9.0 to before 4.9.145.0.4, 4.9.14Patch availableCNA
  • Authoritative VendorPowerDNS Affected 5.0.0 to before 5.0.4; 4.9.0 to before 4.9.14 Fixed in 5.0.4, 4.9.14 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*4.9.0 to before 4.9.14; 5.0.0 to before 5.0.4VulnerablePowerDNS
  • cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:* Versions 4.9.0 to before 4.9.14; 5.0.0 to before 5.0.4 Vulnerable ·PowerDNS

Remediation

  • Fix · CNA Authoritative (PowerDNS) Fixed in 5.0.4, 4.9.14

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    PowerDNS Authoritative 4.9.14, 5.0.4

    6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2026-25990 Incomplete domain name sanitization duringPriority MEDIUM 48
    • TI-2026-25677 Insufficient input validation of internal webserverPriority LOW 39
    • TI-2026-25674 Insufficient input validation of internal webserverPriority LOW 39
    Show all 6 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-33611
  2. 2026-10-03 Alias added: GHSA-vqqc-7rwf-3j3j
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Other 1

  • TI-2015-01678 The label decompression functionality in PowerDNS Recursor 3.5.x, 3.6.x before 3.6.3, and… CVSS 2.0HIGH 7.8
  • TI-2016-04703 PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . CVSS 3.0HIGH 7.5
  • TI-2015-04466 PowerDNS (aka pdns) Authoritative Server 3.4.4 before 3.4.7 allows remote attackers to… CVSS 2.0MEDIUM 5.0
  • TI-2016-04702 PowerDNS (aka pdns) Authoritative Server before 3.4.10 allows remote attackers to cause a… CVSS 3.0HIGH 7.5
  • TI-2026-25990 Incomplete domain name sanitization during CVSS 3.1CRITICAL 9.8
  • TI-2020-15157 An issue was discovered in PowerDNS Authoritative through 4.3.0 when… CVSS 3.1CRITICAL 9.8
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences