HIGH
samba: Server heap-memory disclosure
Published Nov 27, 2017
7.5
HIGHCVSS 3.1
EPSS 21.41%
Description
Samba before 4.7.3 might allow remote attackers to obtain sensitive information by leveraging failure of the server to clear allocated heap memory.
Affected products
No data.
Configuration 1
Configuration 2
OR
- 14.04
- 16.04
- 17.04
- 17.10
- 8.0
- 9.0
- 6.0
- 7.0
- 6.0
- 7.0
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 6
samba4-0:4.2.10-12.el6_9
Fixed · RHSA-2017:3278
Red Hat Enterprise Linux 7
samba-0:4.6.2-12.el7_4
Fixed · RHSA-2017:3260
Red Hat Gluster Storage 3.3 for RHEL 6
samba-0:4.6.3-9.el6rhs
Fixed · RHSA-2017:3261
Red Hat Gluster Storage 3.3 for RHEL 7
samba-0:4.6.3-9.el7rhgs
Fixed · RHSA-2017:3261
Red Hat Enterprise Linux 5
samba
Will not fix
Red Hat Enterprise Linux 6
samba
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | samba4-0:4.2.10-12.el6_9 | Fixed | RHSA-2017:3278 |
| Red Hat Enterprise Linux 7 | samba-0:4.6.2-12.el7_4 | Fixed | RHSA-2017:3260 |
| Red Hat Gluster Storage 3.3 for RHEL 6 | samba-0:4.6.3-9.el6rhs | Fixed | RHSA-2017:3261 |
| Red Hat Gluster Storage 3.3 for RHEL 7 | samba-0:4.6.3-9.el7rhgs | Fixed | RHSA-2017:3261 |
| Red Hat Enterprise Linux 5 | samba | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | samba | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.3 MEDIUM Red Hat
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Adjacent
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
21.41% 0.21408
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.21408
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (32 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 21.41% (0.21408) | 97.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.41% (0.21408) | 97.28th | v5 (v2026.06.15) |
| Apr 11, 2026 | 43.27% (0.43270) | 97.50th | v4 (v2025.03.14) |
| Apr 9, 2026 | 45.05% (0.45047) | 97.59th | v4 (v2025.03.14) |
| Apr 5, 2026 | 49.74% (0.49745) | 97.80th | v4 (v2025.03.14) |
| Mar 10, 2026 | 44.01% (0.44014) | 97.47th | v4 (v2025.03.14) |
| Jan 1, 2026 | 45.21% (0.45210) | 97.49th | v4 (v2025.03.14) |
| Dec 4, 2025 | 43.43% (0.43433) | 97.35th | v4 (v2025.03.14) |
| Nov 30, 2025 | 45.28% (0.45283) | 97.44th | v4 (v2025.03.14) |
| Nov 18, 2025 | 50.06% (0.50064) | 97.69th | v4 (v2025.03.14) |
| Oct 19, 2025 | 47.98% (0.47981) | 97.56th | v4 (v2025.03.14) |
| Aug 31, 2025 | 44.71% (0.44715) | 97.48th | v4 (v2025.03.14) |
| Jun 13, 2025 | 43.47% (0.43467) | 97.34th | v4 (v2025.03.14) |
| Mar 30, 2025 | 44.60% (0.44597) | 97.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 28.63% (0.28626) | 94.50th | v4 (v2025.03.14) |
| Mar 21, 2025 | 44.60% (0.44597) | 97.32th | v4 (v2025.03.14) |
| Mar 20, 2025 | 51.13% (0.51131) | 97.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 52.87% (0.52866) | 97.69th | v4 (v2025.03.14) |
| Dec 17, 2024 | 30.46% (0.30459) | 96.94th | v3 (v2023.03.01) |
| Mar 2, 2024 | 91.59% (0.91593) | 98.82th | v3 (v2023.03.01) |
| Jan 23, 2024 | 93.27% (0.93269) | 98.89th | v3 (v2023.03.01) |
| Jun 23, 2023 | 93.48% (0.93481) | 98.67th | v3 (v2023.03.01) |
| May 30, 2023 | 94.09% (0.94093) | 98.73th | v3 (v2023.03.01) |
| Apr 20, 2023 | 95.14% (0.95145) | 98.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.62% (0.95624) | 98.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.60% (0.03597) | 68.40th | v1 |
| Jan 6, 2022 | 3.60% (0.03597) | 68.10th | v1 |
| Sep 1, 2021 | 3.60% (0.03597) | 82.09th | v1 |
| Apr 14, 2021 | 3.60% (0.03597) | 0.00th | v1 |
Weaknesses (1)
References (17)
- http://www.securityfocus.com/bid/101908 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039855 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3486-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-3486-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3260 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3261 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3278 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-15275 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1512465 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2017/11/msg00029.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-15275
- https://security.gentoo.org/glsa/201805-07 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-15275
- https://www.debian.org/security/2017/dsa-4043 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.samba.org/samba/security/CVE-2017-15275.html x_refsource_CONFIRMVendor Advisory
- https://www.synology.com/support/security/Synology_SA_17_72_Samba x_refsource_CONFIRMThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 27, 2017
Updated Aug 5, 2024
Reserved Oct 11, 2017
Link CVE-2017-15275
CISA Vulnrichment
Updated n/a