CVE-2007-5398

CVE-2007-5398 is a critical-severity vulnerability in Samba with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 11% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Samba
• Published: 2007-11-16
• Last modified: 2026-06-16

Description

Stack-based buffer overflow in the reply_netbios_packet function in nmbd/nmbd_packets.c in nmbd in Samba 3.0.0 through 3.0.26a, when operating as a WINS server, allows remote attackers to execute arbitrary code via crafted WINS Name Registration requests followed by a WINS Name Query request.

Frequently asked questions

What is CVE-2007-5398?

Stack-based buffer overflow in the reply_netbios_packet function in nmbd/nmbd_packets.c in nmbd in Samba 3.0.0 through 3.0.26a, when operating as a WINS server, allows remote attackers to execute arbitrary code via crafted WINS Name Registration requests followed by a WINS Name Query request.

How severe is CVE-2007-5398?

CVE-2007-5398 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2007-5398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5398?

CVE-2007-5398 primarily affects Samba. In total, 48 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-5398?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2007-5398 published?

CVE-2007-5398 was published on 2007-11-16 and last updated on 2026-06-16.

References

• http://docs.info.apple.com/article.html?artnum=307179
• http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html
• http://lists.vmware.com/pipermail/security-announce/2008/000002.html
• http://marc.info/?l=bugtraq&m=120524782005154&w=2
• http://secunia.com/advisories/27450
• http://secunia.com/advisories/27679
• http://secunia.com/advisories/27682
• http://secunia.com/advisories/27691
• http://secunia.com/advisories/27701
• http://secunia.com/advisories/27720
• http://secunia.com/advisories/27731
• http://secunia.com/advisories/27742
• http://secunia.com/advisories/27787
• http://secunia.com/advisories/27927
• http://secunia.com/advisories/28136
• http://secunia.com/advisories/28368
• http://secunia.com/advisories/29341
• http://secunia.com/advisories/30484
• http://secunia.com/advisories/30835
• http://secunia.com/secunia_research/2007-90/advisory/
• http://securityreason.com/securityalert/3372
• http://securitytracker.com/id?1018953
• http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.447739
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-237764-1
• http://us1.samba.org/samba/security/CVE-2007-5398.html
• http://www.debian.org/security/2007/dsa-1409
• http://www.gentoo.org/security/en/glsa/glsa-200711-29.xml
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:224
• http://www.novell.com/linux/security/advisories/2007_65_samba.html
• http://www.redhat.com/support/errata/RHSA-2007-1013.html

Affected products (48)

• cpe:2.3:a:samba:samba:3.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.2a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.4:rc1:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.14a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.18:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.19:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.20b:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21b:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.21c:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.22:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.23:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.23a:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.23b:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.23c:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.23d:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.24:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.25:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.25:pre1:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:3.0.25:pre2:*:*:*:*:*:*

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