CVE-2026-67551highCWE-789

CVE-2026-67551: high-severity vulnerability in Apache Qpid Proton Dotnet

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

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.8%
pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Apache Software Foundation · Apache Qpid Proton Dotnet
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