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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 9.87% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.1% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-11-27 22:00Z8 YR AGO
- Last updated
- 2024-08-05 19:34Z2 YR AGO
- Reserved
- 2017-09-26
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.1
- Document digest
- 311876198c30c905a2d5ed7bc31e722ae4683df5553a1ffbb98892e73e985a86
05 Affected products
06 References
- www.samba.orghttps://www.samba.org/samba/security/CVE-2017-14746.html
- access.redhat.comRHSA-2017:3278https://access.redhat.com/errata/RHSA-2017:3278
- www.debian.orgDSA-4043https://www.debian.org/security/2017/dsa-4043
- access.redhat.comRHSA-2017:3260https://access.redhat.com/errata/RHSA-2017:3260
- www.securitytracker.com1039856http://www.securitytracker.com/id/1039856
- www.securityfocus.com101907http://www.securityfocus.com/bid/101907
- access.redhat.comRHSA-2017:3261https://access.redhat.com/errata/RHSA-2017:3261
- support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us
- security.gentoo.orgGLSA-201805-07https://security.gentoo.org/glsa/201805-07
- www.ubuntu.comUSN-3486-1http://www.ubuntu.com/usn/USN-3486-1
- www.synology.comhttps://www.synology.com/support/security/Synology_SA_17_72_Samba
07 Fixed in
Arch Linux
- samba Fixed in 4.7.3-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- samba Fixed in 2:4.7.1+dfsg-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- samba Fixed in 2:4.7.1+dfsg-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- samba Fixed in 2:4.7.1+dfsg-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- samba Fixed in 2:4.3.11+dfsg-0ubuntu0.14.04.13
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- samba Fixed in 2:4.3.11+dfsg-0ubuntu0.16.04.12
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.