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{
"dataType": "CVE_RECORD",
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"cveMetadata": {
"cveId": "CVE-2026-53794",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-06-10T20:14:32.827Z",
"datePublished": "2026-08-13T14:39:01.158Z",
"dateUpdated": "2026-08-14T16:50:11.227Z"
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"dateUpdated": "2026-08-14T16:50:11.227Z"
},
"title": "rsync < 3.5.0 Denial of Service via --max-alloc=0 Logic Error",
"datePublic": "2026-08-12T00:00:00.000Z",
"problemTypes": [
{
"descriptions": [
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"lang": "en",
"cweId": "CWE-1284",
"description": "CWE-1284 Improper Validation of Specified Quantity in Input",
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"product": "rsync",
"repo": "https://github.com/RsyncProject/rsync",
"versions": [
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"status": "affected",
"version": "0",
"lessThanOrEqual": "3.4.4",
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"value": "rsync before 3.5.0 contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this flaw to cause the receiver to attempt unbounded memory allocations for file list and data structures, potentially exhausting available memory and causing a denial of service.",
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"value": "<p>rsync before 3.5.0&nbsp;contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this flaw to cause the receiver to attempt unbounded memory allocations for file list and data structures, potentially exhausting available memory and causing a denial of service.</p>"
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"url": "https://github.com/RsyncProject/rsync/security/advisories/GHSA-p827-vwcp-m964",
"name": "GitHub Security Advisory (GHSA-p827-vwcp-m964)",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "LOW",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
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"content": {
"timestamp": "2026-08-13T15:34:23.072313Z",
"id": "CVE-2026-53794",
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