CVE-2026-67554

The Apache Qpid Proton-Dotnet library (versions through 1.0.0 ) is vulnerable to a Denial of Service (DoS) condition. An authenticated attacker can exploit naive range handling by crafting a disposition frame containing large or illegal ranges, which triggers excessive CPU usage . To remediate th...

CVE-2026-67554 Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service

An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, leading to 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 t...