{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-67551", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-07-29T18:47:20.800Z", "datePublished": "2026-08-05T05:27:24.551Z", "dateUpdated": "2026-08-05T05:27:24.551Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "packageName": "org.apache.qpid", "product": "Apache Qpid Proton Dotnet", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "1.0.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div> pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.</div><div>This issue affects Apache Qpid Proton-Dotnet: through 1.0.0.</div><div>Users are recommended to upgrade to version 1.1.0, which fixes the issue.</div>"}], "value": "pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.\n\nThis issue affects Apache Qpid Proton-Dotnet: through 1.0.0.\n\nUsers are recommended to upgrade to version 1.1.0, which fixes the issue."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-789", "description": "CWE-789 Memory Allocation with Excessive Size Value", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-08-05T05:27:24.551Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/o566fhkrr3gg0lyzt24xwvz9w94oo6ro"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache Qpid Proton Dotnet: Type size/count handling can lead to excessive allocation pre-authentication", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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