CVE-2026-67553

MediumCVSS 6.5/10Last modified Oct 24, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache Qpid Proton Dotnet	<= 1.0.0

References

https://lists.apache.org/thread/hvsncmcbgjrn85crs909nf4y3dqqrywoMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/04/24Mailing List, Third Party Advisory

Timeline

Published: Aug 5, 2026
Last modified: Oct 24, 2026
NVD status: Analyzed

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