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CVE-2026-67588

CVE-2026-67588 · Apache Qpid ProtonJ2: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

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

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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 7.5 · High · EPSS 0.8%

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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