CVE-2017-14746
Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (9.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 9.88% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- samba/samba · canonical/ubuntu linux · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- cve@mitre.org
EPSS 9.9% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/101907Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039856Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3486-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3260Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3261Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3278Third Party Advisory
- https://security.gentoo.org/glsa/201805-07Third Party Advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usThird Party Advisory
- https://www.debian.org/security/2017/dsa-4043Third Party Advisory
- https://www.samba.org/samba/security/CVE-2017-14746.htmlIssue Tracking, Vendor Advisory
- https://www.synology.com/support/security/Synology_SA_17_72_SambaThird Party Advisory
- http://www.securityfocus.com/bid/101907Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039856Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3486-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3260Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3261Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3278Third Party Advisory
- https://security.gentoo.org/glsa/201805-07Third Party Advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usThird Party Advisory
- https://www.debian.org/security/2017/dsa-4043Third Party Advisory
- https://www.samba.org/samba/security/CVE-2017-14746.htmlIssue Tracking, Vendor Advisory
- https://www.synology.com/support/security/Synology_SA_17_72_SambaThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.