CVE-2023-6478

    Dashboard / Vulnerabilities / CVE-2023-6478

    CVE-2023-6478

    Published: 13 Dec 2023Last Modified: 28 Oct 2026

    Summary: Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty

    Details: A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.

    References: http://www.openwall.com/lists/oss-security/2023/12/13/1, https://access.redhat.com/downloads/content/package-browser/, https://lists.debian.org/debian-lts-announce/2023/12/msg00008.html, https://lists.fedoraproject.org/archives/list/[email protected]/message/6R63Z6GIWM3YUNZRCGFODUXLW3GY2HD6/, https://lists.fedoraproject.org/archives/list/[email protected]/message/7PP47YXKM5ETLCYEF6473R3VFCJ6QT2S/, https://lists.fedoraproject.org/archives/list/[email protected]/message/IFHV5KCQ2SVOD4QMCPZ5HC6YL44L7YJD/, https://lists.fedoraproject.org/archives/list/[email protected]/message/LJDFWDB7EQVZA45XDP7L5WRSRWS6RVRR/, https://lists.x.org/archives/xorg-announce/2023-December/003435.html, https://access.redhat.com/errata/RHSA-2023:7886, https://access.redhat.com/errata/RHSA-2024:0006, https://access.redhat.com/errata/RHSA-2024:0009, https://access.redhat.com/errata/RHSA-2024:0010, https://access.redhat.com/errata/RHSA-2024:0014, https://access.redhat.com/errata/RHSA-2024:0015, https://access.redhat.com/errata/RHSA-2024:0016, https://access.redhat.com/errata/RHSA-2024:0017, https://access.redhat.com/errata/RHSA-2024:0018, https://access.redhat.com/errata/RHSA-2024:0020, https://access.redhat.com/errata/RHSA-2024:2169, https://access.redhat.com/errata/RHSA-2024:2170, https://access.redhat.com/errata/RHSA-2024:2995, https://access.redhat.com/errata/RHSA-2024:2996, https://access.redhat.com/errata/RHSA-2025:12751, https://access.redhat.com/security/cve/CVE-2023-6478, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6478.json, https://nvd.nist.gov/vuln/detail/CVE-2023-6478, https://security.gentoo.org/glsa/202401-30, https://security.netapp.com/advisory/ntap-20240125-0003/, https://www.debian.org/security/2023/dsa-5576, https://bugzilla.redhat.com/show_bug.cgi?id=2253298, https://gitlab.freedesktop.org/xorg/xserver/-/commit/14f480010a93ff962fef66a16412fafff81ad632

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -15e2409776014b41c77f7da7aeb9520613994d27

    Affected versions

    xwayland-23.2.2
    xwayland-23.2.1
    xwayland-23.2.0

    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
    CVE-2023-6478 | CVE-DB