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CVE-2026-33596

A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dc0028aaf70da84fbe4ae6cf036b7d61d68c94b5c4a303b94a9d3866a646f817
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5bcf7c6510fc7e32de7ede5ca2f2ee21de724dc98bb06724e92a73101681e88c · sha256:e97bb0f85ef07dea… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5bcf7c6510fc7e32de7ede5ca2f2ee21de724dc98bb06724e92a73101681e88c · sha256:e97bb0f85ef07dea… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["Outgoing DNS over TCP"],"packageName":"dnsdist","product":"DNSdist","programFiles":["dnsdist-tcp-downstream.hh"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"1.9.13","status":"affected","version":"1.9.0","versionType":"semver"},{"lessThan":"2.0.4","status":"affected","version":"2.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5bcf7c6510fc7e32de7ede5ca2f2ee21de724dc98bb06724e92a73101681e88c · sha256:e97bb0f85ef07dea… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5bcf7c6510fc7e32de7ede5ca2f2ee21de724dc98bb06724e92a73101681e88c · sha256:e97bb0f85ef07dea… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5bcf7c6510fc7e32de7ede5ca2f2ee21de724dc98bb06724e92a73101681e88c · sha256:e97bb0f85ef07dea… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5bcf7c6510fc7e32de7ede5ca2f2ee21de724dc98bb06724e92a73101681e88c · sha256:e97bb0f85ef07dea… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5bcf7c6510fc7e32de7ede5ca2f2ee21de724dc98bb06724e92a73101681e88c · sha256:e97bb0f85ef07dea… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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