Red Hat Security Advisory: samba security update
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: 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.
AI Analysis
Technical Summary
This security advisory from Red Hat addresses two remote code execution vulnerabilities in Samba. CVE-2026-4480 involves the printing subsystem where an unescaped job description can lead to remote code execution. CVE-2026-4408 involves remote code execution in the Security Account Manager Remote (SAMR) protocol implementation. Both vulnerabilities allow an attacker to execute arbitrary code remotely. The advisory provides updated Samba packages for Red Hat Enterprise Linux 8.4 Extended Update Support and Advanced Update Support to mitigate these issues.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code remotely on affected systems running vulnerable Samba versions. This could lead to full system compromise or unauthorized actions performed with the privileges of the Samba service.
Mitigation Recommendations
Red Hat has released updated Samba packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 8.4 Extended Update Support and Advanced Update Support should apply the provided security updates as detailed in the Red Hat advisory RHSA-2026:28058. Patch status is confirmed as fixed in these updates. Refer to https://access.redhat.com/articles/11258 for update instructions.
Red Hat Security Advisory: samba security update
Description
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: 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.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This security advisory from Red Hat addresses two remote code execution vulnerabilities in Samba. CVE-2026-4480 involves the printing subsystem where an unescaped job description can lead to remote code execution. CVE-2026-4408 involves remote code execution in the Security Account Manager Remote (SAMR) protocol implementation. Both vulnerabilities allow an attacker to execute arbitrary code remotely. The advisory provides updated Samba packages for Red Hat Enterprise Linux 8.4 Extended Update Support and Advanced Update Support to mitigate these issues.
Potential Impact
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code remotely on affected systems running vulnerable Samba versions. This could lead to full system compromise or unauthorized actions performed with the privileges of the Samba service.
Mitigation Recommendations
Red Hat has released updated Samba packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 8.4 Extended Update Support and Advanced Update Support should apply the provided security updates as detailed in the Red Hat advisory RHSA-2026:28058. Patch status is confirmed as fixed in these updates. Refer to https://access.redhat.com/articles/11258 for update instructions.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:28058
- Cve Count
- 2
- Additional Cves
- ["CVE-2026-4480"]
- Cvss Version
- null
Threat ID: 6a3aab54eed863c81e3a3a37
Added to database: 06/23/2026, 15:50:44 UTC
Last enriched: 06/23/2026, 15:51:52 UTC
Last updated: 06/24/2026, 03:08:59 UTC
Views: 4
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