{"id":"CVE-2026-35406","state":"PUBLISHED","title":"Aardvark-dns has incorrect error handling for malformed tcp packets","description":"Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1.","publishedAt":"2026-04-07T21:32:23.512Z","updatedAt":"2026-04-08T16:14:33.190Z","severity":{"score":6.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["containers aardvark-dns"],"affected":[{"vendor":"containers","product":"aardvark-dns","versions":[{"version":">= 1.16.0, < 1.17.1","status":"affected"}]}],"references":["https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j","https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1","https://github.com/containers/aardvark-dns/releases/tag/v1.17.1"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/35xxx/CVE-2026-35406.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-35406","state":"PUBLISHED","datePublished":"2026-04-07T21:32:23.512Z","dateUpdated":"2026-04-08T16:14:33.190Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-02T17:03:42.075Z"},"containers":{"cna":{"title":"Aardvark-dns has incorrect error handling for malformed tcp packets","descriptions":[{"lang":"en","value":"Aardvark-dns is an authoritative dns server for A/AAAA container records. From 1.16.0 to 1.17.0, a truncated TCP DNS query followed by a connection reset causes aardvark-dns to enter an unrecoverable infinite error loop at 100% CPU. This vulnerability is fixed in 1.17.1."}],"affected":[{"vendor":"containers","product":"aardvark-dns","versions":[{"version":">= 1.16.0, < 1.17.1","status":"affected"}]}],"references":[{"url":"https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j","name":"https://github.com/containers/aardvark-dns/security/advisories/GHSA-hfpq-x728-986j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1","name":"https://github.com/containers/aardvark-dns/commit/3b49ea7b38bdea134b7f03256f2e13f44ce73bb1","tags":["x_refsource_MISC"]},{"url":"https://github.com/containers/aardvark-dns/releases/tag/v1.17.1","name":"https://github.com/containers/aardvark-dns/releases/tag/v1.17.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-07T21:32:23.512Z"},"source":{"advisory":"GHSA-hfpq-x728-986j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-08T16:09:52.961124Z","id":"CVE-2026-35406","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-08T16:14:33.190Z"}}]}}}