SUSE-SU-2018:2955-1

    Dashboard / Vulnerabilities / SUSE-SU-2018:2955-1

    SUSE-SU-2018:2955-1

    Published: 30 Sept 2018Last Modified: 4 Feb 2026

    Summary: Security update for libX11

    Details: This update for libX11 fixes the following security issues: - CVE-2018-14599: The function XListExtensions was vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact (bsc#1102062) - CVE-2018-14600: The function XListExtensions interpreted a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution (bsc#1102068) - CVE-2018-14598: A malicious server could have sent 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) (bsc#1102073)

    References: https://www.suse.com/support/update/announcement/2018/suse-su-20182955-1/, https://bugzilla.suse.com/1102062, https://bugzilla.suse.com/1102068, https://bugzilla.suse.com/1102073, https://www.suse.com/security/cve/CVE-2018-14598, https://www.suse.com/security/cve/CVE-2018-14599, https://www.suse.com/security/cve/CVE-2018-14600

    Affected packages

    Package

    Name: libX11

    Purl: pkg:rpm/suse/libX11&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.6.5-3.3.1

    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