UBUNTU-CVE-2018-9918

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    UBUNTU-CVE-2018-9918

    Published: 10 Apr 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-9918
    Aliases:
    USN-3638-1

    Summary:

    Details: libqpdf.a in QPDF through 8.0.2 mishandles certain "expected dictionary key but found non-name object" cases, allowing remote attackers to cause a denial of service (stack exhaustion), related to the QPDFObjectHandle and QPDF_Dictionary classes, because nesting in direct objects is not restricted.

    References: https://ubuntu.com/security/CVE-2018-9918, https://ubuntu.com/security/notices/USN-3638-1, https://www.cve.org/CVERecord?id=CVE-2018-9918

    Affected packages

    Package

    Name: qpdf

    Purl: pkg:deb/ubuntu/[email protected]~14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.0.2-3~14.04.1

    Affected versions

    4.2.0-2

    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