CVE-2016-9589

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    CVE-2016-9589

    Published: 12 Mar 2018Last Modified: 8 Jul 2026

    Summary:

    Details: Undertow in Red Hat wildfly before version 11.0.0.Beta1 is vulnerable to a resource exhaustion resulting in a denial of service. Undertow keeps a cache of seen HTTP headers in persistent connections. It was found that this cache can easily exploited to fill memory with garbage, up to "max-headers" (default 200) * "max-header-size" (default 1MB) per active TCP connection.

    References: http://rhn.redhat.com/errata/RHSA-2017-0830.html, http://rhn.redhat.com/errata/RHSA-2017-0831.html, http://rhn.redhat.com/errata/RHSA-2017-0832.html, http://rhn.redhat.com/errata/RHSA-2017-0834.html, http://rhn.redhat.com/errata/RHSA-2017-0876.html, http://www.securityfocus.com/bid/97060, https://access.redhat.com/errata/RHSA-2017:0872, https://access.redhat.com/errata/RHSA-2017:0873, https://access.redhat.com/errata/RHSA-2017:3454, https://access.redhat.com/errata/RHSA-2017:3455, https://access.redhat.com/errata/RHSA-2017:3456, https://access.redhat.com/errata/RHSA-2017:3458, https://bugzilla.redhat.com/show_bug.cgi?id=1404782

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    11.0.0-alpha1
    11.0.0.Alpha1

    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