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Medium · 6.5 CVE-2026-66275 EUVD-2026-53086GHSA-vx3v-mcrw-7985

Apache Qpid Proton-J: Incoming session flow control window can be exceeded

Published Aug 5, 2026 · Updated Aug 6, 2026 · Assigned by apache

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

VendorProductAffectedFixed
Apache Software Foundation Apache Qpid Proton-J ≤ 0.34.1 —

References