429 lines
21 KiB
JSON
429 lines
21 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveId": "CVE-2026-55952",
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"state": "PUBLISHED",
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"datePublished": "2026-07-02T16:06:08.474Z",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>The vulnerability only affects TLS 1.3 servers that have session tickets enabled (either stateful or stateless mode). TLS 1.2 connections and clients are not affected.</p>"
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},
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{
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"base64": false,
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"value": "The vulnerability only affects TLS 1.3 servers that have session tickets enabled (either stateful or stateless mode). TLS 1.2 connections and clients are not affected."
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}
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],
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"value": "The vulnerability only affects TLS 1.3 servers that have session tickets enabled (either stateful or stateless mode). TLS 1.2 connections and clients are not affected."
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}
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"cpeApplicability": [
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{
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"nodes": [
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"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
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{
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"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Lukas Backström"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Ingela Anderton Andin"
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},
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{
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"lang": "en",
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"type": "remediation reviewer",
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"value": "Dan Gudmundsson"
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},
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{
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"lang": "en",
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"type": "remediation reviewer",
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"value": "Jakub Witczak"
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}
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],
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"datePublic": "2026-07-02T16:06:08.000Z",
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{
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},
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}
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"impacts": [
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{
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"capecId": "CAPEC-153",
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{
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"lang": "en",
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"value": "CAPEC-153 Input Data Manipulation"
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}
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]
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}
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],
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"metrics": [
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{
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||
"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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||
"Recovery": "NOT_DEFINED",
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||
"Safety": "NOT_DEFINED",
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||
"attackComplexity": "LOW",
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||
"attackRequirements": "PRESENT",
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||
"attackVector": "NETWORK",
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"baseScore": 8.2,
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||
"baseSeverity": "HIGH",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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||
"subAvailabilityImpact": "NONE",
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||
"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "HIGH",
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"format": "CVSS",
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"lang": "en",
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"value": "GENERAL"
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}
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]
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||
}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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||
"cweId": "CWE-1284",
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||
"description": "CWE-1284 Improper Validation of Specified Quantity in Input",
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"lang": "en",
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"type": "CWE"
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||
}
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]
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}
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],
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"providerMetadata": {
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"shortName": "EEF",
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"dateUpdated": "2026-11-11T14:58:32.325Z"
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},
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"references": [
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{
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"name": "Denial-of-Service for TLS-1.3 server Using Session Tickets",
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"tags": [
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"vendor-advisory",
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],
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"url": "https://github.com/erlang/otp/security/advisories/GHSA-8c57-44c9-pc59"
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},
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{
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"name": "EEF CNA record for CVE-2026-55952",
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-55952.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-55952",
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"related"
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||
],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-55952"
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},
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{
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"name": "Erlang/OTP version ordering",
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"x_version-scheme"
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"url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
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},
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{
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"name": "Introducing commit 339a279 in erlang/otp",
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},
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{
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"name": "Fix commit 095f744 in erlang/otp",
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"tags": [
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"patch"
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"url": "https://github.com/erlang/otp/commit/095f744713c325acdbd18c23e397f04593c06275"
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{
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"name": "Fix commit e77823e in erlang/otp",
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"name": "Fix commit 2c3e599 in erlang/otp",
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||
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{
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"name": "Fix commit 9b5437c in erlang/otp",
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"patch"
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"url": "https://github.com/erlang/otp/commit/9b5437c72fa3403a75c1aba28e5c532bc191c662"
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}
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||
],
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||
"source": {
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||
"discovery": "INTERNAL"
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||
},
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||
"title": "TLS 1.3 server denial of service via malformed ClientHello pre-shared key extension",
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||
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|
||
}
|
||
],
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||
"value": "* Disable session tickets on TLS 1.3 servers by setting session_tickets to disabled in the server's ssl options.\n* Restrict the server to TLS 1.2 by setting versions to ['tlsv1.2'] in the server's ssl options."
|
||
}
|
||
]
|
||
},
|
||
"adp": [
|
||
{
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||
"metrics": [
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|
||
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||
"type": "ssvc",
|
||
"content": {
|
||
"timestamp": "2026-07-02T17:28:09.569991Z",
|
||
"id": "CVE-2026-55952",
|
||
"options": [
|
||
{
|
||
"Exploitation": "none"
|
||
},
|
||
{
|
||
"Automatable": "no"
|
||
},
|
||
{
|
||
"Technical Impact": "partial"
|
||
}
|
||
],
|
||
"role": "CISA Coordinator",
|
||
"version": "2.0.3"
|
||
}
|
||
}
|
||
}
|
||
],
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||
"title": "CISA ADP Vulnrichment",
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||
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"dateUpdated": "2026-07-02T17:28:15.681Z"
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||
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||
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||
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||
} |