samba: Out-of-bounds read in internal DNS server
Published Mar 13, 2016
5.9
MEDIUMCVSS 3.0
EPSS 2.76%
Description
The internal DNS server in Samba 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record.
Affected products
No data.
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.0.5
- 4.0.6
- 4.0.7
- 4.0.8
- 4.0.9
- 4.0.10
- 4.0.11
- 4.0.12
- 4.0.13
- 4.0.14
- 4.0.15
- 4.0.16
- 4.0.17
- 4.0.18
- 4.0.19
- 4.0.20
- 4.0.21
- 4.0.22
- 4.0.23
- 4.0.24
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.5
- 4.1.6
- 4.1.7
- 4.1.8
- 4.1.9
- 4.1.10
- 4.1.11
- 4.1.12
- 4.1.13
- 4.1.14
- 4.1.15
- 4.1.16
- 4.1.17
- 4.1.18
- 4.1.19
- 4.1.20
- 4.1.21
- 4.1.22
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2.5
- 4.2.6
- 4.2.7
- 4.2.8
- 4.3.0
- 4.3.1
- 4.3.2
- 4.3.3
- 4.3.4
- 4.3.5
- 4.4.0
- 4.4.0
- 4.4.0
No data.
Red Hat Enterprise Linux 5
samba
Not affected
Red Hat Enterprise Linux 5
samba3x
Not affected
Red Hat Enterprise Linux 6
samba
Not affected
Red Hat Enterprise Linux 6
samba4
Not affected
Red Hat Enterprise Linux 7
samba
Not affected
Red Hat Storage 3
samba
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | samba | Not affected | n/a |
| Red Hat Enterprise Linux 5 | samba3x | Not affected | n/a |
| Red Hat Enterprise Linux 6 | samba | Not affected | n/a |
| Red Hat Enterprise Linux 6 | samba4 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | samba | Not affected | n/a |
| Red Hat Storage 3 | samba | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
AV:N/AC:M/Au:S/C:P/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.76% (0.02762) | 85.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.76% (0.02762) | 84.31th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.84% (0.05843) | 89.60th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.09% (0.07094) | 85.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.92% (0.04920) | 88.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.37% (0.01370) | 86.84th | v3 (v2023.03.01) |
| Jun 27, 2024 | 1.37% (0.01370) | 86.36th | v3 (v2023.03.01) |
| Jun 14, 2023 | 1.37% (0.01370) | 84.36th | v3 (v2023.03.01) |
| Mar 26, 2023 | 1.21% (0.01212) | 83.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.03% (0.01032) | 81.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.31% (0.01315) | 68.50th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.31% (0.01315) | 68.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.31% (0.01315) | 66.08th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.31% (0.01315) | 41.88th | v2 (v2022.01.01) |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2016/dsa-3514 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/84273 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035219 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2922-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-0771 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1309978 Issue Tracking
- https://bugzilla.samba.org/show_bug.cgi?id=11128 x_refsource_CONFIRM
- https://bugzilla.samba.org/show_bug.cgi?id=11686 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-0771
- https://www.cve.org/CVERecord?id=CVE-2016-0771
- https://www.samba.org/samba/security/CVE-2016-0771.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html | vendor-advisoryx_refsource_SUSE | |
| http://www.debian.org/security/2016/dsa-3514 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/84273 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1035219 | vdb-entryx_refsource_SECTRACK | |
| http://www.ubuntu.com/usn/USN-2922-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2016-0771 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1309978 | Issue Tracking | |
| https://bugzilla.samba.org/show_bug.cgi?id=11128 | x_refsource_CONFIRM | |
| https://bugzilla.samba.org/show_bug.cgi?id=11686 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-0771 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-0771 | ||
| https://www.samba.org/samba/security/CVE-2016-0771.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.