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vuln-cve/data/2026/40xxx/CVE-2026-40454.json
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{
"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": {
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"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": [
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"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."
}
],
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"text": "moderate"
},
"type": "Textual description of severity"
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}
],
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"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"
}
],
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"dateUpdated": "2026-07-10T14:55:00.635Z"
}
}
]
}
}