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SUSE Samba Urgent Security Patch CVE-2026-4480 2026-22080-1

suse
Calendar Grey June 15, 2026
Dist Suse Esm H88
Critical security update resolves six issues in Samba, highly recommended for installation on SUSE servers.
An update that solves six vulnerabilities and has five fixes can now be installed.

Summary

## This update for samba fixes the following issues Security issues: * CVE-2026-1933: Missing access check on reparse point operations (bsc#1261188). * CVE-2026-2340: vfs_worm does not block directory modification (bsc#1261158). * CVE-2026-3012: group policy certificate enrollment uses http: // without validation (bsc#1261159). * CVE-2026-3238: unauthenticated udp packet crashes AD DC nbt server (bsc#1261160). * CVE-2026-4408: Remote Code Execution in SAMR (bsc#1261163). * CVE-2026-4480: Unauthenticated Remote Code Execution (bsc#1261161). Changes for samba: * network:samba:STABLE/samba: "use-kerberos=desired" broken / Dolphin requires login for Samba shares (bsc#1255755). * Samba service start times out (SElinux relabel takes too long) (bsc#1259050).

Topics%20covered

Topics Covered

security advisory security issue critical SuSE remote code execution samba

References

* bsc#1249058

* bsc#1255755

* bsc#1257200

* bsc#1259050

* bsc#1259667

* bsc#1261158

* bsc#1261159

* bsc#1261160

* bsc#1261161

* bsc#1261163

* bsc#1261188

Cross-

* CVE-2026-1933

* CVE-2026-2340

* CVE-2026-3012

* CVE-2026-3238

* CVE-2026-4408

* CVE-2026-4480

CVSS scores:

* CVE-2026-1933 ( SUSE ): 7.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

* CVE-2026-1933 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-1933 ( NVD ): 7.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-1933 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

* CVE-2026-2340 ( SUSE ): 7.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2026-2340 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22080-1
Release Date: 2026-06-05T08:45:16Z
Rating: critical

Topics%20covered

Topics Covered

security advisory security issue critical SuSE remote code execution samba

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