CVE-2014-3560
HighNetBIOS name services daemon (nmbd) in Samba 4.0.x before 4.0.21 and 4.1.x before 4.1.11 allows remote attackers to execute arbitrary code via unspecified vectors that modify heap memory, involving a sizeof operation on an incorrect variable in the unstrcpy macro in…
Published Aug 6, 2014 · Updated Aug 11, 2026 · Also known as DEBIAN-CVE-2014-3560, UBUNTU-CVE-2014-3560, USN-2305-1
Key Facts
Patch immediately- CVE-2014-3560 is a high-severity vulnerability (CVSS 7.9 v2) affecting Samba, Ubuntu Linux (Canonical), Enterprise Linux (Redhat) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 56% probability of exploitation in the next 30 days.
- Fixed versions are available, including ctdb 4.5.0-1.1, ctdb-pcp-pmda 4.5.0-1.1, ctdb-tests 4.5.0-1.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.9
AV:A/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
56%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2014-3560 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
NetBIOS name services daemon (nmbd) in Samba 4.0.x before 4.0.21 and 4.1.x before 4.1.11 allows remote attackers to execute arbitrary code via unspecified vectors that modify heap memory, involving a sizeof operation on an incorrect variable in the unstrcpy macro in string_wrappers.h.
Affected Products
159 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SambaSamba | 4.0.0, 4.0.1, 4.0.10, 4.0.11, 4.0.12, 4.0.13, 4.0.14, 4.0.15 | 2:4.1.11+dfsg-1 |
| Ubuntu LinuxCanonical | 14.04 | n/a |
| Enterprise LinuxRedhat | 6.0, 7.0 | n/a |
| rootio-sambarootio | See advisory | 2:4.1.11+dfsg-1 |
| libsmbclient-develoracle | See advisory | 4.1.1-37.el7_0 |
Patched Releases
ctdb
4.5.0-1.1
ctdb-pcp-pmda
4.5.0-1.1
ctdb-tests
4.5.0-1.1
libdcerpc-binding0
4.5.0-1.1
libdcerpc-binding0-32bit
4.5.0-1.1
libdcerpc-devel
4.5.0-1.1
libdcerpc-samr-devel
4.5.0-1.1
libdcerpc-samr0
4.5.0-1.1
libdcerpc-samr0-32bit
4.5.0-1.1
libdcerpc0
4.5.0-1.1
libdcerpc0-32bit
4.5.0-1.1
libndr-devel
4.5.0-1.1
libndr-krb5pac-devel
4.5.0-1.1
libndr-krb5pac0
4.5.0-1.1
libndr-krb5pac0-32bit
4.5.0-1.1
libndr-nbt-devel
4.5.0-1.1
libndr-nbt0
4.5.0-1.1
libndr-nbt0-32bit
4.5.0-1.1
libndr-standard-devel
4.5.0-1.1
libndr-standard0
4.5.0-1.1
libndr-standard0-32bit
4.5.0-1.1
libndr0
4.5.0-1.1
libndr0-32bit
4.5.0-1.1
libnetapi-devel
4.5.0-1.1
libnetapi0
4.5.0-1.1
Timeline
Publicly disclosed
Aug 6, 2014
Last updated
Aug 11, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisoryRHSA-2014:1008
- advisoryRHSA-2014:1009
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2014-3560
- advisoryhttps://ubuntu.com/security/CVE-2014-3560
- advisoryhttps://ubuntu.com/security/notices/USN-2305-1
FAQ
Common Questions.
NetBIOS name services daemon (nmbd) in Samba 4.0.x before 4.0.21 and 4.1.x before 4.1.11 allows remote attackers to execute arbitrary code via unspecified vectors that modify heap memory, involving a sizeof operation on an incorrect variable in the unstrcpy macro in string_wrappers.h.
Affected: Samba versions 4.0.0, 4.0.1, 4.0.10, 4.0.11, 4.0.12, 4.0.13, 4.0.14, 4.0.15; Ubuntu Linux (Canonical) versions 14.04; Enterprise Linux (Redhat) versions 6.0, 7.0, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including ctdb 4.5.0-1.1, ctdb-pcp-pmda 4.5.0-1.1, ctdb-tests 4.5.0-1.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2014-3560 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo