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vuln-cve/data/2026/77xxx/CVE-2026-77642.json
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{
"dataType": "CVE_RECORD",
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"cveMetadata": {
"cveId": "CVE-2026-77642",
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"state": "PUBLISHED",
"assignerShortName": "mitre",
"dateReserved": "2026-08-20T21:15:49.322Z",
"datePublished": "2026-08-20T21:15:49.660Z",
"dateUpdated": "2026-08-27T16:07:03.716Z"
},
"containers": {
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{
"defaultStatus": "unaffected",
"product": "Tor",
"vendor": "torproject",
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"lessThan": "0.4.9.9",
"status": "affected",
"version": "0.2.8.2-alpha",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "tor before 0.4.9.9 was prone to an out-of-bounds write when parsing a consensus or detached signature with unexpected signature digest type. Impact is minor for most Tor roles, but potentially major for directory authorities. This is TROVE-2026-019."
}
],
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{
"cvssV3_1": {
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"attackVector": "NETWORK",
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
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"value": "GENERAL"
}
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"problemTypes": [
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"descriptions": [
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"cweId": "CWE-787",
"description": "CWE-787 Out-of-bounds Write",
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"shortName": "mitre",
"dateUpdated": "2026-08-20T21:15:49.660Z"
},
"references": [
{
"url": "https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.9/ChangeLog"
}
],
"x_generator": {
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"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"versionEndExcluding": "0.4.9.9"
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"adp": [
{
"metrics": [
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"other": {
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"content": {
"timestamp": "2026-08-27T16:03:17.038602Z",
"id": "CVE-2026-77642",
"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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}