CVE & CISA-KEV Catalog

CVE-2009-2906

MEDIUMEPSS 90th pctl
4.0
CVSS v2
NVD

Description

smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote authenticated users to cause a denial of service (infinite loop) via an unanticipated oplock break notification reply packet.

How to fix

Remediation Available
sambaDebian
Fixed in:2:3.4.2-1CVE-2009-2906
Fixed in:2:3.4.2-1CVE-2009-2906
Fixed in:2:3.4.2-1CVE-2009-2906
Fixed in:2:3.4.2-1CVE-2009-2906

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 v2 Vector

No CVSS vector data available.

Exploit Intelligence

4.21%probability of exploitation in 30 days
90thpercentile

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

References

Related Vulnerabilities

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

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13935High7.588%-Fix
CVE-2020-36227High7.578%-Fix
CVE-2024-20353High8.671%KEV-
CVE-2022-0778High7.571%-Fix
CVE-2019-14241High7.570%--
CVE-2017-16944High7.563%-Fix
Embed a live status badge for CVE-2009-2906
CVE-2009-2906 severity badge

Markdown

[![CVE-2009-2906](https://tridentstack.com/cve/badge/CVE-2009-2906.svg)](https://tridentstack.com/cve/CVE-2009-2906)

HTML

<a href="https://tridentstack.com/cve/CVE-2009-2906"><img src="https://tridentstack.com/cve/badge/CVE-2009-2906.svg" alt="CVE-2009-2906"></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 worksStart 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 2026-04-23.