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Vulnerability record · CVE-2017-14746 · published 27 November 2017

CVE-2017-14746: Samba use after free vulnerability

Samba · Samba

Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.

9.8 CVSS 3.1 Critical EPSS 9.9% · top 4.6% CWE-416 · Use after free
9.8CVSS 3.1 base score, v2 7.5
9.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/101907 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039856 Third Party AdvisoryVDB 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 TrackingVendor Advisory
https://www.synology.com/support/security/Synology_SA_17_72_Samba Third Party Advisory
http://www.securityfocus.com/bid/101907 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039856 Third Party AdvisoryVDB 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 TrackingVendor Advisory
https://www.synology.com/support/security/Synology_SA_17_72_Samba Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-14746), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.