RLSA-2021:4326

    Dashboard / Vulnerabilities / RLSA-2021:4326

    RLSA-2021:4326

    Published: 9 Nov 2021Last Modified: 4 Feb 2026
    Upstream:
    CVE-2021-31535

    Summary: Moderate: libX11 security update

    Details: The libX11 packages contain the core X11 protocol client library. Security Fix(es): * libX11: missing request length checks (CVE-2021-31535) 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 Rocky Linux 8.5 Release Notes linked from the References section.

    References: https://errata.rockylinux.org/RLSA-2021:4326, https://bugzilla.redhat.com/show_bug.cgi?id=1961822

    Affected packages

    Package

    Name: libX11

    Purl: pkg:rpm/rocky-linux/libX11?distro=rocky-linux-8&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:1.6.8-5.el8

    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
    RLSA-2021:4326 | CVE-DB