Medium severity5.3NVD Advisory· Published Apr 22, 2026· Updated Apr 27, 2026

CVE-2026-33260

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.

Affected products

PowerDNS/Authoritative
cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
Range: >=4.9.0,<4.9.14
PowerDNS/Dnsdist
cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*
Range: >=1.9.0,<1.9.13
PowerDNS/Recursor2 versions
cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*range: >=5.2.0,<5.2.9
- cpe:2.3:a:powerdns:recursor:5.4.0:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.htmlnvdVendor Advisory
docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.htmlnvdVendor AdvisoryBroken Link
www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.htmlnvdVendor Advisory

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000