ALSA-2023:6497

    Dashboard / Vulnerabilities / ALSA-2023:6497

    ALSA-2023:6497

    Published: 7 Nov 2023Last Modified: 4 Feb 2026
    Aliases:
    CVE-2023-3138

    Summary: Moderate: libX11 security update

    Details: The libX11 packages contain the core X11 protocol client library. Security Fix(es): * libX11: InitExt.c can overwrite unintended portions of the Display structure if the extension request leads to a buffer overflow (CVE-2023-3138) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://access.redhat.com/errata/RHSA-2023:6497, https://access.redhat.com/security/cve/CVE-2023-3138, https://bugzilla.redhat.com/2213748, https://errata.almalinux.org/9/ALSA-2023-6497.html

    Affected packages

    Package

    Name: libX11

    Purl: pkg:rpm/almalinux/libX11

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.7.0-8.el9

    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
    ALSA-2023:6497 | CVE-DB