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

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

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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.