CVE-2009-2906

Name: CVE-2009-2906
Creator: NVD / NIST
Published: 2009-10-07T18:30:00.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.21%

Last modified Jun 16, 2026

CVE-2009-2906 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.21% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.21%

89.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Samba	Samba	< 3.0.37
Samba	Samba	>= 3.2.0, < 3.2.15
Samba	Samba	>= 3.3.0, < 3.3.8
Samba	Samba	3.4.0
Samba	Samba	3.4.1
Canonical	Ubuntu Linux	6.06
Canonical	Ubuntu Linux	8.04
Canonical	Ubuntu Linux	8.10
Canonical	Ubuntu Linux	9.04

References

http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.htmlMailing List, Third Party Advisory
http://news.samba.org/releases/3.0.37/Vendor Advisory
http://news.samba.org/releases/3.2.15/Vendor Advisory
http://news.samba.org/releases/3.3.8/Vendor Advisory
http://news.samba.org/releases/3.4.2/Vendor Advisory
http://osvdb.org/58519Broken Link
http://samba.org/samba/security/CVE-2009-2906.htmlVendor Advisory
http://secunia.com/advisories/36893Vendor Advisory
http://secunia.com/advisories/36918Vendor Advisory
http://secunia.com/advisories/36937Vendor Advisory
http://secunia.com/advisories/36953Vendor Advisory
http://secunia.com/advisories/37428Third Party Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561439Patch, Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021111.1-1Broken Link
http://support.apple.com/kb/HT4077Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0145Third Party Advisory
http://www.securityfocus.com/archive/1/507856/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/36573Patch, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022976Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-839-1Patch, Third Party Advisory
http://www.vupen.com/english/advisories/2009/2810Patch, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/53575Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7090Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9944Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00095.htmlPatch, Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00098.htmlPatch, Third Party Advisory
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.htmlMailing List, Third Party Advisory
http://news.samba.org/releases/3.0.37/Vendor Advisory
http://news.samba.org/releases/3.2.15/Vendor Advisory
http://news.samba.org/releases/3.3.8/Vendor Advisory
http://news.samba.org/releases/3.4.2/Vendor Advisory
http://osvdb.org/58519Broken Link
http://samba.org/samba/security/CVE-2009-2906.htmlVendor Advisory
http://secunia.com/advisories/36893Vendor Advisory
http://secunia.com/advisories/36918Vendor Advisory
http://secunia.com/advisories/36937Vendor Advisory
http://secunia.com/advisories/36953Vendor Advisory
http://secunia.com/advisories/37428Third Party Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561439Patch, Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021111.1-1Broken Link
http://support.apple.com/kb/HT4077Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0145Third Party Advisory
http://www.securityfocus.com/archive/1/507856/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/36573Patch, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022976Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-839-1Patch, Third Party Advisory
http://www.vupen.com/english/advisories/2009/2810Patch, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/53575Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7090Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9944Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00095.htmlPatch, Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00098.htmlPatch, Third Party Advisory

Timeline

Published: Oct 7, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-2906?

How severe is CVE-2009-2906?

Severity scoring for CVE-2009-2906 is pending analysis. The EPSS model estimates a 4.21% probability of exploitation in the next 30 days.

How do I fix CVE-2009-2906?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2906?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST