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OpenAdvisories
High ALSA-2021:5082 3 CVEs

Important: samba security update

Published Dec 13, 2021 · Updated Oct 29, 2026

Summary

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.

Security Fix(es):

* samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717)

* samba: SMB1 client connections can be downgraded to plaintext authentication (CVE-2016-2124)

* samba: Subsequent DCE/RPC fragment injection vulnerability (CVE-2021-23192)

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.

Fixed packages 4

ReleasePackageFixed in
AlmaLinux · 8 libsmbclient-devel 4.14.5-7.el8_5
AlmaLinux · 8 libwbclient-devel 4.14.5-7.el8_5
AlmaLinux · 8 samba-devel 4.14.5-7.el8_5
AlmaLinux · 8 samba-vfs-iouring 4.14.5-7.el8_5

Vulnerabilities 3

References

  • report
    https://vulners.com/cve/CVE-2016-2124
  • report
    https://vulners.com/cve/CVE-2020-25717
  • report
    https://vulners.com/cve/CVE-2021-23192