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CVE-2007-5398

27
FAUCET Score

CVE-2007-5398 describes a stack-based buffer overflow in the nmbd component of Samba versions 3.0.0 through 3.0.26a, specifically when configured as a WINS server. This critical vulnerability allows remote attackers to execute arbitrary code by sending specially crafted WINS Name Registration and Name Query requests. With a CVSS score of 9.3, it poses a severe risk due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high FAUCET Risk Score of 97/100 and a notable EPSS score, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.0CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.2:*:*:*:*:*:*:*
3.0.2aCPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.2a:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:a:samba:samba:3.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.25%
Probability of exploitation in next 30 days
EPSS Percentile
95.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1125 is in the 77th percentile among its peer group of 8,918 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: samba-0:2.2.12-1.21as.8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: samba-0:3.0.9-1.3E.14.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: samba-0:3.0.25b-1.el4_6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4.5 Z StreamFixed in: samba-0:3.0.10-2.el4_5.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: samba-0:3.0.25b-1.el5_1.2
View patch

Vendor Advisories (1)

redhatCVE-2007-5398Critical

Samba "reply_netbios_packet()" Buffer Overflow Vulnerability

Nov 15, 2007

References

docs.info.apple.com / article.html
lists.apple.com / archives/security-announce/2007/Dec/msg00002.html
lists.vmware.com / pipermail/security-announce/2008/000002.html
marc.info
secunia.com / advisories/27450
Vendor Advisory
secunia.com / advisories/27679
secunia.com / advisories/27682
secunia.com / advisories/27691
secunia.com / advisories/27701
secunia.com / advisories/27720
secunia.com / advisories/27731
secunia.com / advisories/27742
secunia.com / advisories/27787
secunia.com / advisories/27927
secunia.com / advisories/28136
secunia.com / advisories/28368
secunia.com / advisories/29341
secunia.com / advisories/30484
secunia.com / advisories/30835
secunia.com / secunia_research/2007-90/advisory
securityreason.com / securityalert/3372
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/38502
issues.rpath.com / browse/RPL-1894
slackware.com / security/viewer.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10230
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5811
sunsolve.sun.com / search/document.do
usn.ubuntu.com / 544-1
redhat.com / archives/fedora-package-announce/2007-November/msg00472.html
us1.samba.org / samba/security/CVE-2007-5398.html
www11.itrc.hp.com / service/cki/docDisplay.do
debian.org / security/2007/dsa-1409
gentoo.org / security/en/glsa/glsa-200711-29.xml
mandriva.com / security/advisories
novell.com / linux/security/advisories/2007_65_samba.html
redhat.com / support/errata/RHSA-2007-1013.html
redhat.com / support/errata/RHSA-2007-1016.html
redhat.com / support/errata/RHSA-2007-1017.html
securityfocus.com / archive/1/483744/100/0/threaded
securityfocus.com / archive/1/485936/100/0/threaded
securityfocus.com / archive/1/486859/100/0/threaded
securityfocus.com / bid/26455
us-cert.gov / cas/techalerts/TA07-352A.html
US Government Resource
vmware.com / security/advisories/VMSA-2008-0001.html
vupen.com / english/advisories/2007/3869
vupen.com / english/advisories/2007/4238
vupen.com / english/advisories/2008/0064
vupen.com / english/advisories/2008/0859/references
vupen.com / english/advisories/2008/1712/references
vupen.com / english/advisories/2008/1908