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CVE-2026-67591

CVE-2026-67591 · Apache Qpid ProtonJ2: Incoming session flow control window can be exceeded

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 6.5 · Medium · EPSS 0.7%

Published
Updated

Stack: system

Affected products and versions

  • apache qpid protonj2

    Versions
    • ≥ 0, ≤ 1.1.0: Affected (semver)

    No fix published

  • qpid-proton Ubuntu:16.04:LTS

    Versions
    • 0.7-2
    • 0.10-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qpid-proton Ubuntu:18.04:LTS

    Versions
    • 0.14.0-5.1
    • 0.14.0-5.1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qpid-proton Ubuntu:20.04:LTS

    Versions
    • 0.22.0-3.2
    • 0.22.0-3.2build1
    • 0.22.0-3.3
    • 0.22.0-3.3build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qpid-proton Ubuntu:22.04:LTS

    Versions
    • 0.22.0-5.1
    • 0.22.0-5.1build1
    • 0.22.0-5.1ubuntu1
    • 0.22.0-5.1ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qpid-proton Ubuntu:24.04:LTS

    Versions
    • 0.37.0-2build1
    • 0.37.0-2build2
    • 0.37.0-2build4
    • 0.37.0-2build5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qpid-proton Ubuntu:26.10

    Versions
    • 0.37.0-7build1
    • 0.37.0-8
    • 0.37.0-9
    • 0.37.0-9build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • qpid-proton Ubuntu:26.04:LTS

    Versions
    • 0.37.0-6
    • 0.37.0-6build1
    • 0.37.0-7
    • 0.37.0-7build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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