{"id":"CVE-2026-40454","state":"PUBLISHED","title":"Apache IoTDB C++ client: Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data","description":"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.","publishedAt":"2026-07-10T07:19:01.868Z","updatedAt":"2026-07-10T14:55:00.635Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache IoTDB C++ client"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache IoTDB C++ client","packageName":"client-cpp","defaultStatus":"unaffected","versions":[{"version":"1.3.5","status":"affected","lessThan":"1.3.8","versionType":"semver"},{"version":"2.0.5","status":"affected","lessThan":"2.0.10","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/9wml325g6bpovw0jf5ymtc3xl7fwlkrn","http://www.openwall.com/lists/oss-security/2026/07/10/8"],"weaknesses":["CWE-125","CWE-20"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40454.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40454","state":"PUBLISHED","datePublished":"2026-07-10T07:19:01.868Z","dateUpdated":"2026-07-10T14:55:00.635Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-04-13T09:02:17.905Z"},"containers":{"cna":{"title":"Apache IoTDB C++ client: Out-of-bounds reads in C++ client TsBlock deserializer crash client process on malformed server data","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache IoTDB C++ client","packageName":"client-cpp","defaultStatus":"unaffected","versions":[{"version":"1.3.5","status":"affected","lessThan":"1.3.8","versionType":"semver"},{"version":"2.0.5","status":"affected","lessThan":"2.0.10","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/9wml325g6bpovw0jf5ymtc3xl7fwlkrn","tags":["vendor-advisory"]}],"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":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-07-10T07:19:01.868Z"},"credits":[{"lang":"en","type":"finder","value":"bugbunny.ai"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","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":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-10T14:55:00.635Z"}}]}}}