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vuln-cve/data/2026/116xxx/CVE-2026-116541.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-116541",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-10-26T14:30:58.066Z",
"datePublished": "2026-10-26T14:59:40.847Z",
"dateUpdated": "2026-10-26T19:48:35.492Z"
},
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},
"datePublic": "2026-08-10T00:00:00.000Z",
"title": "netty-tcnative before 2.0.84.Final Denial of Service via BIO Write Overcount",
"descriptions": [
{
"lang": "en",
"value": "Netty netty-tcnative before 2.0.84.Final contains a denial of service vulnerability in the tcn_write_to_bytebuffer BIO write callback that overreports bytes consumed. Remote TLS 1.3 peers can provoke queued post-handshake records like NewSessionTicket or KeyUpdate to truncate flights, fail connections, or abort the JVM process."
}
],
"problemTypes": [
{
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{
"lang": "en",
"description": "Incorrect Calculation",
"cweId": "CWE-682",
"type": "CWE"
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"product": "netty-tcnative",
"collectionURL": "https://repo1.maven.org/maven2/io/netty/netty-tcnative/",
"packageName": "io.netty:netty-tcnative",
"repo": "https://github.com/netty/netty-tcnative",
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"version": "0",
"lessThan": "2.0.84.Final",
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"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 8.2,
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"baseScore": 5.9,
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"references": [
{
"url": "https://github.com/netty/netty-tcnative/security/advisories/GHSA-9xr3-jwv4-r489",
"tags": [
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},
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"url": "https://github.com/netty/netty-tcnative/releases/tag/netty-tcnative-parent-2.0.84.Final",
"tags": [
"release-notes"
],
"name": "netty-tcnative netty-tcnative-parent-2.0.84.Final Release Notes"
},
{
"url": "https://github.com/netty/netty-tcnative",
"tags": [
"product"
]
},
{
"name": "VulnCheck Advisory: netty-tcnative before 2.0.84.Final Denial of Service via BIO Write Overcount",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/netty-tcnative-before-2.0.84-final-denial-of-service-via-bio-write-overcount"
}
],
"credits": [
{
"lang": "en",
"value": "Yu Bao, PayPal Cyber Security Team",
"type": "finder"
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],
"x_generator": {
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},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-116541",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-26T19:30:21.899747Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
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}
}