CVE-2013-4408

CVE-2013-4408 is a high-severity vulnerability in Samba with a CVSS 2.0 base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: High (CVSS 2.0 base score 8.3)
• EPSS exploit prediction: 3% (84th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Samba
• Published: 2013-12-10
• Last modified: 2026-06-16

Description

Heap-based buffer overflow in the dcerpc_read_ncacn_packet_done function in librpc/rpc/dcerpc_util.c in winbindd in Samba 3.x before 3.6.22, 4.0.x before 4.0.13, and 4.1.x before 4.1.3 allows remote AD domain controllers to execute arbitrary code via an invalid fragment length in a DCE-RPC packet.

Frequently asked questions

What is CVE-2013-4408?

Heap-based buffer overflow in the dcerpc_read_ncacn_packet_done function in librpc/rpc/dcerpc_util.c in winbindd in Samba 3.x before 3.6.22, 4.0.x before 4.0.13, and 4.1.x before 4.1.3 allows remote AD domain controllers to execute arbitrary code via an invalid fragment length in a DCE-RPC packet.

How severe is CVE-2013-4408?

CVE-2013-4408 has a CVSS 2.0 base score of 8.3, rated high severity.

Is CVE-2013-4408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4408?

CVE-2013-4408 primarily affects Samba. In total, 188 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4408?

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

When was CVE-2013-4408 published?

CVE-2013-4408 was published on 2013-12-10 and last updated on 2026-06-16.

References

• http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html
• http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
• http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.html
• http://lists.opensuse.org/opensuse-updates/2014-03/msg00063.html
• http://marc.info/?l=bugtraq&m=141660010015249&w=2
• http://rhn.redhat.com/errata/RHSA-2013-1805.html
• http://rhn.redhat.com/errata/RHSA-2013-1806.html
• http://rhn.redhat.com/errata/RHSA-2014-0009.html
• http://security.gentoo.org/glsa/glsa-201502-15.xml
• http://www.debian.org/security/2013/dsa-2812
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:299
• http://www.samba.org/samba/ftp/patches/security/samba-4.1.2-CVE-2013-4408-CVE-2012-6150.patch
• http://www.samba.org/samba/security/CVE-2013-4408
• http://www.securityfocus.com/bid/64191
• http://www.ubuntu.com/usn/USN-2054-1

Affected products (188)

• cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:samba:samba:4.0.12:*:*:*:*:*:*:*
• 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:3.0.2:a:*:*:*:*:*:*
• 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:3.0.14:a:*:*:*:*:*:*
• 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:*:*:*:*:*:*:*

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