{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40454","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-04-13T09:02:17.905Z","datePublished":"2026-07-10T07:19:01.868Z","dateUpdated":"2026-07-10T14:55:00.635Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"client-cpp","product":"Apache IoTDB C++ client","vendor":"Apache Software Foundation","versions":[{"lessThan":"1.3.8","status":"affected","version":"1.3.5","versionType":"semver"},{"lessThan":"2.0.10","status":"affected","version":"2.0.5","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"bugbunny.ai"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client.<br><span style=\"background-color: rgb(255, 255, 255);\">Out-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client\nprocess on malformed server data.</span><br></p><p>This issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10.</p><p>Users are recommended to upgrade to version 2.0.10, which fixes the issue.</p>"}],"value":"Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client.\nOut-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client\nprocess on malformed server data.\n\n\nThis issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue."}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-07-10T07:19:01.868Z"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/9wml325g6bpovw0jf5ymtc3xl7fwlkrn"}],"source":{"discovery":"UNKNOWN"},"title":"Apache IoTDB C++ client: Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-10T14:27:23.764896Z","id":"CVE-2026-40454","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":"2026-07-10T14:27:27.176Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/07/10/8"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-07-10T14:55:00.635Z"}}]}}