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vuln-cve/data/2026/45xxx/CVE-2026-45811.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45811",
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"state": "PUBLISHED",
"assignerShortName": "apache",
"dateReserved": "2026-05-13T08:48:46.370Z",
"datePublished": "2026-07-24T12:09:10.299Z",
"dateUpdated": "2026-07-24T18:14:45.702Z"
},
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"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Apache NimBLE",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThanOrEqual": "1.9.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Yicheng Yang, Secsys Lab, Fudan University"
}
],
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"lang": "en",
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"value": "<p>Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE.<br><span style=\"background-color: rgb(255, 255, 255);\">The HCI socket transport did not check whether a received HCI event would fit the configured event pool before copying it, allowing a buffer overflow. Severity is low: exploitation requires either a misconfigured pool size or a malicious/compromised controller on the other end of the HCI socket link, not over-the-air Bluetooth access.</span></p><p>This issue affects Apache NimBLE: through 1.9.0.</p><p>Users are recommended to upgrade to version 1.10.0, which fixes the issue.</p>"
}
],
"value": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE.\nThe HCI socket transport did not check whether a received HCI event would fit the configured event pool before copying it, allowing a buffer overflow. Severity is low: exploitation requires either a misconfigured pool size or a malicious/compromised controller on the other end of the HCI socket link, not over-the-air Bluetooth access.\n\nThis issue affects Apache NimBLE: through 1.9.0.\n\nUsers are recommended to upgrade to version 1.10.0, which fixes the issue."
}
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"text": "low"
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"descriptions": [
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"cweId": "CWE-120",
"description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache",
"dateUpdated": "2026-07-24T12:09:10.299Z"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://github.com/apache/mynewt-nimble/commit/dcc4e4f026109eecd507de9479bb5019306a4a41"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/5mkz68y1py0o6zmxtc3l1o8grtrb78m0"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Apache NimBLE: Buffer overflow in socket HCI transport",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/07/24/11"
}
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"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2026-07-24T14:34:43.034Z"
}
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{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-24T18:14:28.703659Z",
"id": "CVE-2026-45811",
"options": [
{
"Exploitation": "none"
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{
"Automatable": "no"
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{
"Technical Impact": "total"
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"role": "CISA Coordinator",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment",
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