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

CVE-2026-33256

CVE-2026-33256

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

2
  • 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

Vulnerability mechanics

References

1

News mentions

0

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