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Posted to announce@apache.org by "Timothy A. Bish" <ta...@apache.org> on 2026/08/04 18:43:40 UTC

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

Severity: important 

Affected versions:

- Apache Qpid Proton Dotnet (org.apache.qpid) through 1.0.0

Description:

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.

References:

https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-67551