{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42542","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-28T16:56:50.190Z","datePublished":"2026-06-10T20:32:38.985Z","dateUpdated":"2026-06-11T16:15:17.741Z"},"containers":{"cna":{"title":"TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)","problemTypes":[{"descriptions":[{"cweId":"CWE-191","lang":"en","description":"CWE-191: Integer Underflow (Wrap or Wraparound)","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"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"}}],"references":[{"name":"https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx"},{"name":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6","tags":["x_refsource_MISC"],"url":"https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6"}],"affected":[{"vendor":"taosdata","product":"TDengine","versions":[{"version":">= 3.4.0.0, < 3.4.1.6","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-10T20:32:38.985Z"},"descriptions":[{"lang":"en","value":"TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version 3.4.1.6 fixes the issue."}],"source":{"advisory":"GHSA-vg95-j2hf-hvjx","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-11T12:56:59.511171Z","id":"CVE-2026-42542","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-11T16:15:17.741Z"}}]}}