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CVE-2026-67551 Apache Qpid Proton Dotnet: Type size/count handling can lead to excessive allocation pre-authentication

🗓️ 05 Aug 2026 05:27:24Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 56 Views

Pre-auth exploit in Qpid Proton-Dotnet causes excessive allocation and denial of service, fixed in 1.1.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-67551
5 Aug 202605:27
–attackerkb
circl
Circl
CVE-2026-67551
4 Aug 202619:48
–circl
cve
CVE
CVE-2026-67551
5 Aug 202605:27
–cve
euvd
EUVD
EUVD-2026-53057
5 Aug 202605:27
–euvd
nvd
NVD
CVE-2026-67551
5 Aug 202606:16
–nvd
ptsecurity
Positive Technologies
PT-2026-67956
5 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-67551: Memory Allocation with Excessive Size Value
5 Aug 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-67551
27 Aug 202612:48
–redhatcve
redhat
RedHat Linux
Important: Red Hat Security Advisory: AMQ Clients 2026.Q3
21 Sep 202614:38
–redhat
redhat
RedHat Linux
Apache Qpid Proton-Dotnet: Apache Qpid Proton Dotnet: Denial of Service via excessive memory allocation
21 Sep 202614:38
–redhat
Rows per page
[
  {
    "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"
      }
    ]
  }
]

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