CVE-2018-14598

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    CVE-2018-14598

    Published: 24 Aug 2018Last Modified: 8 Jul 2026

    Summary:

    Details: An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGARUV66TS5OOSLR5A76BUB7SDV6GO4F/, http://www.openwall.com/lists/oss-security/2018/08/21/6, http://www.securityfocus.com/bid/105177, http://www.securitytracker.com/id/1041543, https://access.redhat.com/errata/RHSA-2019:2079, https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html, https://lists.x.org/archives/xorg-announce/2018-August/002916.html, https://security.gentoo.org/glsa/201811-01, https://usn.ubuntu.com/3758-1/, https://usn.ubuntu.com/3758-2/, https://bugzilla.suse.com/show_bug.cgi?id=1102073, https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=e83722768fd5c467ef61fa159e8c6278770b45c2

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    libX11-1.6.5
    libX11-1.6.4
    libX11-1.6.3
    libX11-1.6.2
    libX11-1.6.1
    libX11-1.6.0

    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