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CVE-2017-14746
CRITICAL
Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.
Published: Nov 27, 2017
Modified: Jun 17, 2026
CWE-416
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (16)
| Vendor | Product | Version |
|---|---|---|
| samba | samba | * ≥ 4.0.0 < 4.5.0 |
| samba | samba | * ≥ 4.5.0 < 4.5.15 |
| samba | samba | * ≥ 4.6.0 < 4.6.11 |
| samba | samba | * ≥ 4.7.0 < 4.7.3 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 16.04 |
| canonical | ubuntu_linux | 17.04 |
| canonical | ubuntu_linux | 17.10 |
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| redhat | enterprise_linux_desktop | 6.0 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_server | 6.0 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_workstation | 6.0 |
| redhat | enterprise_linux_workstation | 7.0 |
GitHub Security Advisory GHSA-57pg-7qmc-wmf2
Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute...
References (22)
- http://www.securityfocus.com/bid/101907 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039856 Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3486-1 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3260 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3261 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3278 Third Party Advisory
- https://security.gentoo.org/glsa/201805-07 Third Party Advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us Third Party Advisory
- https://www.debian.org/security/2017/dsa-4043 Third Party Advisory
- https://www.samba.org/samba/security/CVE-2017-14746.html Issue Tracking, Vendor Advisory
- https://www.synology.com/support/security/Synology_SA_17_72_Samba Third Party Advisory
- http://www.securityfocus.com/bid/101907 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039856 Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3486-1 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3260 Third Party Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
9.88%
Top 5% most likely to be exploited
Threat Score
42.2 / 100
Data Sources
NVD
EPSS
GitHub