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Medium · 6.5 CVE-2026-67554 EUVD-2026-53092GHSA-rvfm-5258-v4xj

Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service

Published Aug 5, 2026 · Updated Aug 5, 2026 · Assigned by apache

Description

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 the issue.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache Qpid Proton Dotnet ≤ 1.0.0 —

References