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CVE-2017-9461
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage…
Medium6.5EPSS 4.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
Timeline
ID reserved
By mitre
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.2% · top 8.9% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
n/a
- affected n/a
References (8)
- 99455 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2017:2778 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1950 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:2338 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.samba.org/show_bug.cgi?id=12572 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.debian.org/864291 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20190409 [SECURITY] [DLA 1754-1] samba security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-9461)Record last updated .