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vuln-cve/data/2026/70xxx/CVE-2026-70455.json
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{
"dataType": "CVE_RECORD",
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"cveMetadata": {
"cveId": "CVE-2026-70455",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-08-04T14:52:23.814Z",
"datePublished": "2026-08-13T14:45:11.164Z",
"dateUpdated": "2026-08-14T19:45:47.934Z"
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"shortName": "VulnCheck",
"dateUpdated": "2026-08-14T16:51:20.314Z"
},
"title": "rsync 3.4.2 < 3.5.0 DoS via --zt Zstandard Compression Thread Exhaustion",
"datePublic": "2026-08-12T00:00:00.000Z",
"problemTypes": [
{
"descriptions": [
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"lang": "en",
"cweId": "CWE-770",
"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
"type": "CWE"
}
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"vendor": "RsyncProject",
"product": "rsync",
"repo": "https://github.com/RsyncProject/rsync",
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"status": "affected",
"version": "3.4.2",
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"value": "rsync 3.4.2 before 3.5.0 contains a denial of service vulnerability that allows a remote sender to exhaust system resources by specifying the --zt short alias for --compress-threads, which bypasses the refuse options directive's string matching on long option names. Attackers can specify --zt=N with a large value to spawn an unbounded number of Zstandard worker threads on the receiver, exhausting available thread and memory resources.",
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"url": "https://github.com/RsyncProject/rsync/security/advisories/GHSA-rjvj-qgqg-cvx9",
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"name": "rsync 3.5.0 Release Notes",
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"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
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"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
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"timestamp": "2026-08-14T18:30:20.676739Z",
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"version": "2.0.3"
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