{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-62349","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-13T21:42:50.096Z","datePublished":"2026-07-15T18:55:07.774Z","dateUpdated":"2026-07-15T19:37:03.649Z"},"containers":{"cna":{"title":"TDengine: Off-by-One Buffer Overflow","problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121: Stack-based Buffer Overflow","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/taosdata/TDengine/security/advisories/GHSA-4v5h-fxjw-vrmq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/taosdata/TDengine/security/advisories/GHSA-4v5h-fxjw-vrmq"}],"affected":[{"vendor":"taosdata","product":"TDengine","versions":[{"version":"< 3.4.1.14","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-15T18:55:07.774Z"},"descriptions":[{"lang":"en","value":"TDengine is an open source, time-series database optimized for Internet of Things devices. In 3.4.1.6 and earlier, source/libs/parser/src/parUtil.c trimString() checks space for only one byte before processing SQL string escape sequences \\%, \\_, or \\x, allowing a one-byte out-of-bounds write to the stack buffer tmpTokenBuf that can cause denial of service and potentially remote code execution. This issue is fixed in version 3.4.1.14."}],"source":{"advisory":"GHSA-4v5h-fxjw-vrmq","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/taosdata/TDengine/security/advisories/GHSA-4v5h-fxjw-vrmq","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-15T19:30:40.997887Z","id":"CVE-2026-62349","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"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":"2026-07-15T19:37:03.649Z"}}]}}