CVE-2026-67553

Description

An authenticated attacker could exceed the session flow control incoming window potentially 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.

References

• https://lists.apache.org/thread/hvsncmcbgjrn85crs909nf4y3dqqrywo
• http://www.openwall.com/lists/oss-security/2026/08/04/24