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Product · Apache Software Foundation

Apache Qpid ProtonJ2

5 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 6.5
    CVE-2026-67591

    Apache Qpid ProtonJ2: Incoming session flow control window can be exceeded

    An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue.

    Apache Software Foundation Apache Qpid ProtonJ2 qpid-proton Ubuntu