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: group policy certificate enrollment uses http:// without validation (CVE-2026-3012)
* samba: Samba: Remote Code Execution in printing subsystem via unescaped job description (CVE-2026-4480)
* samba: Remote Code Execution in SAMR (CVE-2026-4408)
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 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | samba | 0:4.19.4-16.el8_10 |
Vulnerabilities 3
-
Critical 9.0
Samba: remote code execution in samr
A flaw was found in Samba. A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the "check password script" feature. If this script is configured with the %u substitution character, the client-controll…
-
Critical 9.0
Samba: samba: remote code execution in printing subsystem via unescaped job description
A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacke…
-
High 8.0
Samba: group policy certificate enrollment uses http:// without validation
A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verifi…