UBUNTU-CVE-2018-14645

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    UBUNTU-CVE-2018-14645

    Published: 21 Sept 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-14645
    Aliases:
    USN-3780-1

    Summary:

    Details: A flaw was discovered in the HPACK decoder of HAProxy, before 1.8.14, that is used for HTTP/2. An out-of-bounds read access in hpack_valid_idx() resulted in a remote crash and denial of service.

    References: https://ubuntu.com/security/CVE-2018-14645, https://git.haproxy.org/?p=haproxy-1.8.git;a=commit;h=b4e05a3daa30f657db01ec144a0e48850c48f813, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14645, https://www.mail-archive.com/[email protected]/msg31253.html, https://ubuntu.com/security/notices/USN-3780-1, https://www.cve.org/CVERecord?id=CVE-2018-14645

    Affected packages

    Package

    Name: haproxy

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.8.8-1ubuntu0.2

    Affected versions

    1.7.9-1ubuntu1
    1.7.9-1ubuntu2

    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-2018-14645 | CVE-DB