ALSA-2026:22644

Vulnerability from osv_almalinux – Published: 2026-06-02 00:00 – Updated: 2026-06-03 12:02 – Source website
VLAI
Summary
Important: samba security 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.

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.

References
To clipboard 

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          "type": "ECOSYSTEM"
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    }
  ],
  "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.  \n\nSecurity Fix(es):  \n\n  * samba: group policy certificate enrollment uses \u003chttp://\u003e without validation (CVE-2026-3012)\n  * samba: Samba: Remote Code Execution in printing subsystem via unescaped job description (CVE-2026-4480)\n  * samba: Remote Code Execution in SAMR (CVE-2026-4408)\n\n\nFor 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.\n",
  "id": "ALSA-2026:22644",
  "modified": "2026-06-03T12:02:26Z",
  "published": "2026-06-02T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:22644"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-3012"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4408"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-4480"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2447319"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2452232"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2479762"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-22644.html"
    }
  ],
  "related": [
    "CVE-2026-3012",
    "CVE-2026-4480",
    "CVE-2026-4408"
  ],
  "summary": "Important: samba security update"
}



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