Is CVE-2017-9461 in the CISA KEV catalog?

No. CVE-2017-9461 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-9461?

CVE-2017-9461 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2017-9461?

CVE-2017-9461 has an EPSS score of 4.19% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-9461?

Upgrade samba on debian 11 to 2:4.5.6+dfsg-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-9461

MEDIUMEPSS 90th pctl

6.5

CVSS v3

NVD

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.

CWE-835

How to fix

Remediation Available

sambaDebian

Fixed in:2:4.5.6+dfsg-1CVE-2017-9461

sambaUbuntu

Fixed in:2:4.3.11+dfsg-0ubuntu0.14.04.9USN-3348-1

Fixed in:2:4.3.11+dfsg-0ubuntu0.16.04.8USN-3348-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

4.19%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Patch2

Third-Party Advisory5

Other references1

git.samba.org

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13935	High	7.5	88%	-	Fix
CVE-2020-36227	High	7.5	78%	-	Fix
CVE-2024-20353	High	8.6	71%	KEV	-
CVE-2022-0778	High	7.5	71%	-	Fix
CVE-2019-14241	High	7.5	70%	-	-
CVE-2017-16944	High	7.5	63%	-	Fix

Embed a live status badge for CVE-2017-9461

Markdown

[![CVE-2017-9461](https://tridentstack.com/cve/badge/CVE-2017-9461.svg)](https://tridentstack.com/cve/CVE-2017-9461)

HTML

<a href="https://tridentstack.com/cve/CVE-2017-9461"><img src="https://tridentstack.com/cve/badge/CVE-2017-9461.svg" alt="CVE-2017-9461"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.