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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-33595

DoQ/DoH3 excessive memory allocation

Description

A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

PowerDNS DNSdist

Default version status: unaffected

  • 1.9.0 to < 1.9.13affected
  • 2.0.0 to < 2.0.4affected

References