CVE-2017-14746
critical
CVSS v3
9.8
CVSS v4 NEW
—
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Red Hat Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 7.0 | Affected | — |
| 6.0 | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Ubuntu Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 17.10 | Affected | — |
| 17.04 | Affected | — |
| 16.04 | Affected | — |
| 14.04 | Affected | — |
Debian Mixed 7 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2:4.7.1+dfsg-2 |
| sid | Fixed | 2:4.7.1+dfsg-2 |
| forky | Fixed | 2:4.7.1+dfsg-2 |
| bullseye | Fixed | 2:4.7.1+dfsg-2 |
| bookworm | Fixed | 2:4.7.1+dfsg-2 |
| 9.0 | Affected | — |
| 8.0 | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 4.7.3-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| samba | samba | {"startIncluding":"4.0.0","endExcluding":"4.5.0"} | 4.5.0 |
References
- https://security.archlinux.org/ASA-201712-1
- http://www.securityfocus.com/bid/101907
- http://www.securitytracker.com/id/1039856
- http://www.ubuntu.com/usn/USN-3486-1
- https://access.redhat.com/errata/RHSA-2017:3260
- https://access.redhat.com/errata/RHSA-2017:3261
- https://access.redhat.com/errata/RHSA-2017:3278
- https://security.gentoo.org/glsa/201805-07
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_us
- https://www.debian.org/security/2017/dsa-4043
- https://www.samba.org/samba/security/CVE-2017-14746.html
- https://www.synology.com/support/security/Synology_SA_17_72_Samba
- https://www.suse.com/security/cve/CVE-2017-14746.html
- https://security-tracker.debian.org/tracker/CVE-2017-14746
CWEs
CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.