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vuln-cve/data/2026/92xxx/CVE-2026-92843.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-92843",
"assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
"state": "PUBLISHED",
"assignerShortName": "eclipse",
"dateReserved": "2026-09-23T13:43:04.328Z",
"datePublished": "2026-10-20T15:12:55.919Z",
"dateUpdated": "2026-10-20T17:08:35.381Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
"shortName": "eclipse",
"dateUpdated": "2026-10-20T15:12:55.919Z"
},
"title": "Out-of-bounds Read via the TLS 1.3 Certificate extensions_length in NetX Secure",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds Read",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "Eclipse Foundation",
"product": "Eclipse ThreadX - NetX Duo",
"packageName": "NetX Duo",
"versions": [
{
"status": "affected",
"version": "0",
"lessThanOrEqual": "6.5.1.202602",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.5.2.202603"
}
],
"defaultStatus": "unaffected"
}
],
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{
"lang": "en",
"value": "A missing bounds check in the TLS 1.3 Certificate-message parser of NetX Secure lets a malicious TLS 1.3 server trigger an unsigned-integer underflow and a subsequent heap out-of-bounds read in any peer that processes a remote Certificate message. It is reachable pre-authentication, during the normal handshake, before certificate verification completes.",
"supportingMedia": [
{
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"base64": false,
"value": "<p>A missing bounds check in the TLS 1.3 Certificate-message parser of NetX Secure lets a malicious TLS 1.3 server trigger an unsigned-integer underflow and a subsequent heap out-of-bounds read in any peer that processes a remote Certificate message. It is reachable pre-authentication, during the normal handshake, before certificate verification completes.</p>"
}
]
}
],
"references": [
{
"url": "https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-4m85-f9qh-q3jv"
}
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"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
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],
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"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "HIGH",
"baseScore": 8.7,
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
}
}
],
"credits": [
{
"lang": "en",
"value": "afldl",
"type": "reporter"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
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"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-20T17:08:26.088209Z",
"id": "CVE-2026-92843",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
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"dateUpdated": "2026-10-20T17:08:35.381Z"
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]
}
}