CVE-2018-14642

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    CVE-2018-14642

    Published: 18 Sept 2018Last Modified: 15 Mar 2026

    Summary:

    Details: An information leak vulnerability was found in Undertow. If all headers are not written out in the first write() call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests.

    References: https://access.redhat.com/errata/RHSA-2019:0365, https://access.redhat.com/errata/RHSA-2019:1106, https://access.redhat.com/errata/RHSA-2019:1140, https://access.redhat.com/errata/RHSA-2019:0380, https://access.redhat.com/errata/RHSA-2019:1107, https://access.redhat.com/errata/RHSA-2019:1108, https://access.redhat.com/errata/RHSA-2019:0362, https://access.redhat.com/errata/RHSA-2019:0364, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14642

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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