UBUNTU-CVE-2026-114230

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    UBUNTU-CVE-2026-114230

    Published: 29 Oct 2026Last Modified: 7 Nov 2026
    Upstream:
    CVE-2026-114230

    Summary:

    Details: When dispatching SASL frames to authenticate the peer, Proton will also dispatch AMQP frames if they claim to be SASL frames. This allows authentication bypass. However there will be no user name set so the effects depend on how the application deals with this condition - which otherwise means that authentication has not completed yet. This issue affects Apache Qpid Proton C: through 0.40.0. Users are recommended to upgrade to version 0.41.1, which fixes the issue.

    References: https://ubuntu.com/security/CVE-2026-114230, https://www.cve.org/CVERecord?id=CVE-2026-114230, https://www.openwall.com/lists/oss-security/2026/10/28/24, https://issues.apache.org/jira/browse/PROTON-2945, https://github.com/apache/qpid-proton/commit/94e2df384a493cbb8a4870a40d90e08708e131eb, https://github.com/apache/qpid-proton/commit/b7fb4507bb233db10825e6ffd456086dedca22f6, https://lists.apache.org/thread.html/ob7vo6swpj4wbb2m3zq9q2vkwfg5dg8k, http://www.openwall.com/lists/oss-security/2026/10/28/24

    Affected packages

    Package

    Name: qpid-proton

    Purl: pkg:deb/ubuntu/qpid-proton?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.7-2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    UBUNTU-CVE-2026-114230 | CVE-DB