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Fencer Vulns
high 7.5

CVE-2017-15275 in the critical feed json

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

published 2017-11-27 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-6735

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
21.4%
EPSS 21.4% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

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.

Patch / fix

  • samba samba 4.5.15, 4.6.11, 4.7.3
  • samba Debian 14, Debian 13, Debian 12 2:4.7.1+dfsg-2

debian advisories DEBIAN-CVE-2017-15275

  • samba Ubuntu 14.04 LTS 2:4.3.11+dfsg-0ubuntu0.14.04.13
  • samba Ubuntu 16.04 LTS 2:4.3.11+dfsg-0ubuntu0.16.04.12

ubuntu advisories UBUNTU-CVE-2017-15275

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • samba4 RHEL 6 4.2.10-12.el6_9
  • samba4-dc RHEL 6 4.2.10-12.el6_9
  • samba4-libs RHEL 6 4.2.10-12.el6_9
  • samba4-pidl RHEL 6 4.2.10-12.el6_9
  • samba4-test RHEL 6 4.2.10-12.el6_9
  • samba4-client RHEL 6 4.2.10-12.el6_9
  • samba4-common RHEL 6 4.2.10-12.el6_9
  • samba4-python RHEL 6 4.2.10-12.el6_9

red hat advisories RHSA-2017:3278RHSA-2017:3260RHSA-2017:3261

  • samba SLES 12-LTSS, SLE High Availability Extension 12 4.2.4-18.49.1
  • samba SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 3.6.3-94.8.1
  • samba SLES for SAP 12 SP3, SLES 12 SP3, SLED 12 SP3 +3 more 4.6.9+git.59.c2cff9cea4c-3.17.1
  • samba SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +3 more 4.4.2-38.14.1
  • samba SLES for SAP 12 SP2, SLES for SAP 12 SP1, SLES for Raspberry Pi 12 SP2 +6 more 4.2.4-28.24.1

suse advisories SUSE-SU-2018:2321-1SUSE-SU-2018:0018-1SUSE-SU-2017:3155-1SUSE-SU-2017:3104-1SUSE-SU-2017:3086-1

  • samba openSUSE Tumbleweed 4.14.6+git.182.2205d5224e3-1.1

opensuse advisories openSUSE-SU-2024:11365-1

  • samba Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 4.7.3-r0
  • samba Alpine 3.4 4.4.16-r1

alpine advisories ALPINE-CVE-2017-15275

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • samba Azure Linux 3.0 4.18.3-1

azure linux advisories AZL-44070

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

  • samba Arch Linux 4.7.3-1

arch linux advisories AVG-535

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-15275 updated cvss 4.3

samba: Server heap-memory disclosure

  • Red Hat Enterprise Linux 5 samba Red Hat Enterprise Linux 6 samba, samba-swat, libsmbclient, samba-client, samba-common, samba-winbind, +4 more
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) samba 4.6.2-12.el7_4, samba-libs 4.6.2-12.el7_4, libwbclient 4.6.2-12.el7_4, libsmbclient 4.6.2-12.el7_4, samba-client 4.6.2-12.el7_4, samba-common 4.6.2-12.el7_4, +7 more Red Hat Enterprise Linux Client Optional (v. 7) samba 4.6.2-12.el7_4, samba-dc 4.6.2-12.el7_4, samba-pidl 4.6.2-12.el7_4, samba-test 4.6.2-12.el7_4, samba-python 4.6.2-12.el7_4, samba-dc-libs 4.6.2-12.el7_4, +3 more Red Hat Enterprise Linux ComputeNode (v. 7) samba 4.6.2-12.el7_4, samba-libs 4.6.2-12.el7_4, libwbclient 4.6.2-12.el7_4, libsmbclient 4.6.2-12.el7_4, samba-client 4.6.2-12.el7_4, samba-common 4.6.2-12.el7_4, +6 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) samba 4.6.2-12.el7_4, samba-dc 4.6.2-12.el7_4, samba-pidl 4.6.2-12.el7_4, samba-test 4.6.2-12.el7_4, samba-python 4.6.2-12.el7_4, samba-dc-libs 4.6.2-12.el7_4, +4 more
    fixed: vendor fix RHSA-2017:3260
  • Red Hat Enterprise Linux Desktop (v. 6) samba4 4.2.10-12.el6_9, samba4-dc 4.2.10-12.el6_9, samba4-libs 4.2.10-12.el6_9, samba4-pidl 4.2.10-12.el6_9, samba4-test 4.2.10-12.el6_9, samba4-client 4.2.10-12.el6_9, +6 more
    fixed: vendor fix RHSA-2017:3278
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) samba 4.6.2-12.el7_4, samba-libs 4.6.2-12.el7_4, libwbclient 4.6.2-12.el7_4, libsmbclient 4.6.2-12.el7_4, samba-client 4.6.2-12.el7_4, samba-common 4.6.2-12.el7_4, +8 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) samba-dc 4.6.2-12.el7_4, samba-pidl 4.6.2-12.el7_4, samba-test 4.6.2-12.el7_4, samba-python 4.6.2-12.el7_4, samba-dc-libs 4.6.2-12.el7_4, samba-test-libs 4.6.2-12.el7_4, +1 more
    fixed: vendor fix RHSA-2017:3260
  • Red Hat Enterprise Linux HPC Node (v. 6) samba4 4.2.10-12.el6_9, samba4-dc 4.2.10-12.el6_9, samba4-libs 4.2.10-12.el6_9, samba4-pidl 4.2.10-12.el6_9, samba4-test 4.2.10-12.el6_9, samba4-client 4.2.10-12.el6_9, +6 more Red Hat Enterprise Linux Server (v. 6) samba4 4.2.10-12.el6_9, samba4-dc 4.2.10-12.el6_9, samba4-libs 4.2.10-12.el6_9, samba4-pidl 4.2.10-12.el6_9, samba4-test 4.2.10-12.el6_9, samba4-client 4.2.10-12.el6_9, +6 more
    fixed: vendor fix RHSA-2017:3278
  • Red Hat Enterprise Linux Server (v. 7) samba 4.6.2-12.el7_4, samba-libs 4.6.2-12.el7_4, libwbclient 4.6.2-12.el7_4, libsmbclient 4.6.2-12.el7_4, samba-client 4.6.2-12.el7_4, samba-common 4.6.2-12.el7_4, +8 more Red Hat Enterprise Linux Server Optional (v. 7) samba-dc 4.6.2-12.el7_4, samba-pidl 4.6.2-12.el7_4, samba-test 4.6.2-12.el7_4, samba-python 4.6.2-12.el7_4, samba-dc-libs 4.6.2-12.el7_4, samba-test-libs 4.6.2-12.el7_4, +2 more Red Hat Enterprise Linux Server Resilient Storage (v. 7) ctdb 4.6.2-12.el7_4, ctdb-tests 4.6.2-12.el7_4
    fixed: vendor fix RHSA-2017:3260
  • Red Hat Enterprise Linux Workstation (v. 6) samba4 4.2.10-12.el6_9, samba4-dc 4.2.10-12.el6_9, samba4-libs 4.2.10-12.el6_9, samba4-pidl 4.2.10-12.el6_9, samba4-test 4.2.10-12.el6_9, samba4-client 4.2.10-12.el6_9, +6 more
    fixed: vendor fix RHSA-2017:3278
  • Red Hat Enterprise Linux Workstation (v. 7) samba 4.6.2-12.el7_4, samba-libs 4.6.2-12.el7_4, libwbclient 4.6.2-12.el7_4, libsmbclient 4.6.2-12.el7_4, samba-client 4.6.2-12.el7_4, samba-common 4.6.2-12.el7_4, +8 more Red Hat Enterprise Linux Workstation Optional (v. 7) samba-dc 4.6.2-12.el7_4, samba-pidl 4.6.2-12.el7_4, samba-test 4.6.2-12.el7_4, samba-dc-libs 4.6.2-12.el7_4, samba-test-libs 4.6.2-12.el7_4, samba-vfs-glusterfs 4.6.2-12.el7_4, +1 more
    fixed: vendor fix RHSA-2017:3260
show 1 more
  • Red Hat Gluster 3.3 Samba on RHEL-6 ctdb 4.6.3-9.el6rhs, samba 4.6.3-9.el6rhs, samba-dc 4.6.3-9.el6rhs, ctdb-tests 4.6.3-9.el6rhs, samba-libs 4.6.3-9.el6rhs, samba-pidl 4.6.3-9.el6rhs, +17 more Red Hat Gluster 3.3 Samba on RHEL-7 ctdb 4.6.3-9.el7rhgs, samba 4.6.3-9.el7rhgs, samba-dc 4.6.3-9.el7rhgs, ctdb-tests 4.6.3-9.el7rhgs, samba-libs 4.6.3-9.el7rhgs, samba-pidl 4.6.3-9.el7rhgs, +17 more
    fixed: vendor fix RHSA-2017:3261

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

21.41% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.