CVE-2026-33612 PUBLISHED

ZoneToCache can poison the cache

Assigner: OX
Reserved: 23.03.2026 Published: 25.06.2026 Updated: 25.06.2026

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:L
CVSS Score: 7.5

Product Status

Vendor PowerDNS
Product Recursor
Versions Default: unaffected
  • affected from 5.2.0 to 5.2.11 (excl.)
  • affected from 5.3.0 to 5.3.8 (excl.)
  • affected from 5.4.0 to 5.4.3 (excl.)

Credits

  • Danial Mahadzir finder

References

Problem Types

  • Acceptance of Extraneous Untrusted Data With Trusted Data CWE