Unrated severityNVD Advisory· Published Aug 5, 2026· Updated Aug 5, 2026
Apache Qpid Proton-J: Incoming session flow control window can be exceeded
CVE-2026-66275
Description
An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service.
This issue affects Apache Qpid Proton-J: through 0.34.1.
Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Affected products
1- Range: <=0.34.1
Patches
Vulnerability mechanics
References
1- lists.apache.org/thread/jds59nxrgcxtlx7xl0kvl5hqt07thxztmitrevendor-advisory
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