Read the docs
TI-2017-11192 Aliases CVE-2017-15275GHSA-3rgf-xqhg-x97j

Samba before 4.7.3 might allow remote attackers to obtain sensitive information by…

Priority MEDIUM 52CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 17 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

Samba before 4.7.3 might allow remote attackers to obtain sensitive information by leveraging failure of the server to clear allocated heap memory.

Why it matters now

EPSS 0.21408 97th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 17 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*3.6.0 to before 4.5.15; 4.6.0 to before 4.6.11; 4.7.0 to before 4.7.3VulnerableSamba
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*17.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 3.6.0 to before 4.5.15; 4.6.0 to before 4.6.11; 4.7.0 to before 4.7.3 Vulnerable ·Samba
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:* Versions 17.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 3 advisories

  • RHSA-2017:3278 Released 2017-11-29 · Red Hat rating Important
    samba4 security update
    • Red Hat Enterprise Linux Desktop (v. 6) samba4-4.2.10-12.el6_9, samba4-client-4.2.10-12.el6_9, samba4-common-4.2.10-12.el6_9 +10
    • Red Hat Enterprise Linux HPC Node (v. 6) samba4-4.2.10-12.el6_9, samba4-client-4.2.10-12.el6_9, samba4-common-4.2.10-12.el6_9 +10
    • Red Hat Enterprise Linux Server (v. 6) samba4-4.2.10-12.el6_9, samba4-client-4.2.10-12.el6_9, samba4-common-4.2.10-12.el6_9 +10
    • Red Hat Enterprise Linux Workstation (v. 6) samba4-4.2.10-12.el6_9, samba4-client-4.2.10-12.el6_9, samba4-common-4.2.10-12.el6_9 +10
  • RHSA-2017:3260 Released 2017-11-27 · Red Hat rating Important
    samba security update
    • Red Hat Enterprise Linux Client (v. 7) libsmbclient-4.6.2-12.el7_4, libwbclient-4.6.2-12.el7_4, samba-4.6.2-12.el7_4 +10
    • Red Hat Enterprise Linux Client Optional (v. 7) libsmbclient-devel-4.6.2-12.el7_4, libwbclient-devel-4.6.2-12.el7_4, samba-4.6.2-12.el7_4 +9
    • Red Hat Enterprise Linux ComputeNode (v. 7) libsmbclient-4.6.2-12.el7_4, libwbclient-4.6.2-12.el7_4, samba-4.6.2-12.el7_4 +9
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) libsmbclient-devel-4.6.2-12.el7_4, libwbclient-devel-4.6.2-12.el7_4, samba-4.6.2-12.el7_4 +10
    • Red Hat Enterprise Linux Server (v. 7) libsmbclient-4.6.2-12.el7_4, libsmbclient-4.6.2-12.el7_4.ppc, libwbclient-4.6.2-12.el7_4 +16
    • Red Hat Enterprise Linux Server Optional (v. 7) libsmbclient-devel-4.6.2-12.el7_4, libsmbclient-devel-4.6.2-12.el7_4.ppc, libwbclient-devel-4.6.2-12.el7_4 +12
    • Red Hat Enterprise Linux Server Resilient Storage (v. 7) ctdb-4.6.2-12.el7_4, ctdb-tests-4.6.2-12.el7_4
    • Red Hat Enterprise Linux Workstation (v. 7) libsmbclient-4.6.2-12.el7_4, libwbclient-4.6.2-12.el7_4, samba-4.6.2-12.el7_4 +11
    • Red Hat Enterprise Linux Workstation Optional (v. 7) libsmbclient-devel-4.6.2-12.el7_4, libwbclient-devel-4.6.2-12.el7_4, samba-dc-4.6.2-12.el7_4 +7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) libsmbclient-4.6.2-12.el7_4, libwbclient-4.6.2-12.el7_4, samba-4.6.2-12.el7_4 +11
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) libsmbclient-devel-4.6.2-12.el7_4, libwbclient-devel-4.6.2-12.el7_4, samba-dc-4.6.2-12.el7_4 +7
  • RHSA-2017:3261 Released 2017-11-27 · Red Hat rating Important
    samba security update
    • Red Hat Gluster 3.3 Samba on RHEL-6 ctdb-4.6.3-9.el6rhs, ctdb-tests-4.6.3-9.el6rhs, libsmbclient-4.6.3-9.el6rhs +23
    • Red Hat Gluster 3.3 Samba on RHEL-7 ctdb-4.6.3-9.el7rhgs, ctdb-tests-4.6.3-9.el7rhgs, libsmbclient-4.6.3-9.el7rhgs +23

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2017:3278
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2017:3278
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:3278
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux Server Resilient Storage (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:3278
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2017:3260
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2017:3260
Red Hat Gluster 3.3 Samba on RHEL-6Fixed RHSA-2017:3261
Red Hat Gluster 3.3 Samba on RHEL-7Fixed RHSA-2017:3261

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-15275
  2. 2026-10-03 Alias added: GHSA-3rgf-xqhg-x97j

References

Sources