ALSA-2021:1647

    Dashboard / Vulnerabilities / ALSA-2021:1647

    ALSA-2021:1647

    Published: 18 May 2021Last Modified: 4 Feb 2026

    Summary: Moderate: samba security, bug fix, and enhancement update

    Details: Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information. The following packages have been upgraded to a later upstream version: samba (4.13.3). (BZ#1878109) Security Fix(es): * samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472) * samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318) * samba: Unprivileged user can crash winbind (CVE-2020-14323) 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://vulners.com/cve/CVE-2020-14318, https://vulners.com/cve/CVE-2020-14323, https://vulners.com/cve/CVE-2020-1472

    Affected packages

    Package

    Name: libsmbclient-devel

    Purl: pkg:rpm/almalinux/libsmbclient-devel

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.13.3-3.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
    ALSA-2021:1647 | CVE-DB