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CVE-2026-33257

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1115d884b1f840dd9dcfd372566d562d57b992025595219b887b98504f3c6740
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["YaHTTP"],"packageName":"pdns","product":"Authoritative","programFiles":["reqresp.cpp","reqresp.hpp"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"5.0.4","status":"affected","version":"5.0.0","versionType":"semver"},{"lessThan":"4.9.14","status":"affected","version":"4.9.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/affected/0

{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["YaHTTP"],"packageName":"pdns-recursor","product":"Recursor","programFiles":["reqresp.cpp","reqresp.hpp"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"5.4.1","status":"affected","version":"5.4.0","versionType":"semver"},{"lessThan":"5.3.6","status":"affected","version":"5.3.0","versionType":"semver"},{"lessThan":"5.2.9","status":"affected","version":"5.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/affected/2

{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["YaHTTP"],"packageName":"dnsdist","product":"DNSdist","programFiles":["reqresp.cpp","reqresp.hpp"],"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:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/affected/1
cwe · 2 assertions

{"description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

3 source assertions
{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["YaHTTP"],"packageName":"pdns","product":"Authoritative","programFiles":["reqresp.cpp","reqresp.hpp"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"5.0.4","status":"affected","version":"5.0.0","versionType":"semver"},{"lessThan":"4.9.14","status":"affected","version":"4.9.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/affected/0
{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["YaHTTP"],"packageName":"pdns-recursor","product":"Recursor","programFiles":["reqresp.cpp","reqresp.hpp"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"5.4.1","status":"affected","version":"5.4.0","versionType":"semver"},{"lessThan":"5.3.6","status":"affected","version":"5.3.0","versionType":"semver"},{"lessThan":"5.2.9","status":"affected","version":"5.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/affected/2
{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["YaHTTP"],"packageName":"dnsdist","product":"DNSdist","programFiles":["reqresp.cpp","reqresp.hpp"],"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:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/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:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/references/0
{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/references/2
{"url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b6dc9a143e845f86f7113f5a411def881eddbd8545e34e2f5bd5ebc0a198ce77 · sha256:530cd4f4993d462f… · /containers/cna/references/1

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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