CVE Explorer

CVE-2026-52684

If the auth responds very slowly and the records expire in between, the capping of TTLs is not enforced for lack of data. This does not happen on regular resolve as then then the child records are used immediately if not expired and thus valid, or the records are expired, and in that case not used. So this case can only happen if almost expired records are used to refresh the authoritative NS records.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:84ff17cc77d65f5139a22bf7098427324ac6c74982217348efff6dbe8339601d

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["Packet cache","Record cache"],"packageName":"pdns-recursor","product":"Recursor","programFiles":["rec-packetcache.cc","recursor_cache.cc"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"5.5.0","status":"affected","version":"0.0.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3e50cb480f60a19438b8a21ee5d63e002f8c978af6342ed1859cd53bb9cea1e3 · sha256:2cf5d711321d1bf3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3e50cb480f60a19438b8a21ee5d63e002f8c978af6342ed1859cd53bb9cea1e3 · sha256:2cf5d711321d1bf3… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"description":"Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:3e50cb480f60a19438b8a21ee5d63e002f8c978af6342ed1859cd53bb9cea1e3 · sha256:2cf5d711321d1bf3… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://github.com/PowerDNS/pdns/pull/17748"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3e50cb480f60a19438b8a21ee5d63e002f8c978af6342ed1859cd53bb9cea1e3 · sha256:2cf5d711321d1bf3… · /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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