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CVE-2026-40719

Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:be655d9d7583e83e79d0d9c46a5acc32b99dfb3eba1d3ad5c4145de9711d8f18
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unknown","product":"MaraDNS","vendor":"MaraDNS","versions":[{"status":"affected","version":"3.5.0036","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6ca733258268bcdb9ea0a853c69cebb547415069eaa316567027fbf2d1a1ebc8 · sha256:e84fa8033ebd97a4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","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:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6ca733258268bcdb9ea0a853c69cebb547415069eaa316567027fbf2d1a1ebc8 · sha256:e84fa8033ebd97a4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-670","description":"CWE-670 Always-Incorrect Control Flow Implementation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6ca733258268bcdb9ea0a853c69cebb547415069eaa316567027fbf2d1a1ebc8 · sha256:e84fa8033ebd97a4… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["exploit"],"url":"https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ca733258268bcdb9ea0a853c69cebb547415069eaa316567027fbf2d1a1ebc8 · sha256:e84fa8033ebd97a4… · /containers/adp/0/references/0
{"url":"https://github.com/samboy/MaraDNS/security/advisories/GHSA-cfc6-vhrv-62cj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ca733258268bcdb9ea0a853c69cebb547415069eaa316567027fbf2d1a1ebc8 · sha256:e84fa8033ebd97a4… · /containers/cna/references/0
{"url":"https://maradns.samiam.org/changelog.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6ca733258268bcdb9ea0a853c69cebb547415069eaa316567027fbf2d1a1ebc8 · sha256:e84fa8033ebd97a4… · /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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