bind: assertion failure in buffer.c while building responses to a specifically constructed request
Published Sep 28, 2016
7.5
HIGHCVSS 3.0
EPSS 89.48%
Description
buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.
Affected products
No data.
Configuration 3
- ≤ 9.9.9
- 9.10.0
- 9.10.0
- 9.10.0
- 9.10.0
- 9.10.0
- 9.10.0
- 9.10.0
- 9.10.0
- 9.10.0
- 9.10.1
- 9.10.1
- 9.10.1
- 9.10.1
- 9.10.1
- 9.10.1
- 9.10.1
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.2
- 9.10.3
- 9.10.3
- 9.10.3
- 9.10.3
- 9.10.3
- 9.10.3
- 9.10.3
- 9.10.4
- 9.10.4
- 9.11.0
- 9.11.0
- 9.11.0
- 9.11.0
- 9.11.0
- 9.11.0
- 9.11.0
No data.
Red Hat Enterprise Linux 5
bind-30:9.3.6-25.P1.el5_11.9
Fixed · RHSA-2016:1944
Red Hat Enterprise Linux 5
bind97-32:9.7.0-21.P2.el5_11.7
Fixed · RHSA-2016:1945
Red Hat Enterprise Linux 6
bind-32:9.8.2-0.47.rc1.el6_8.1
Fixed · RHSA-2016:1944
Red Hat Enterprise Linux 6.2 Advanced Update Support
bind-32:9.7.3-8.P3.el6_2.5
Fixed · RHSA-2016:2099
Red Hat Enterprise Linux 6.4 Advanced Update Support
bind-32:9.8.2-0.17.rc1.el6_4.9
Fixed · RHSA-2016:2099
Red Hat Enterprise Linux 6.5 Advanced Update Support
bind-32:9.8.2-0.23.rc1.el6_5.4
Fixed · RHSA-2016:2099
Red Hat Enterprise Linux 6.5 Telco Extended Update Support
bind-32:9.8.2-0.23.rc1.el6_5.4
Fixed · RHSA-2016:2099
Red Hat Enterprise Linux 6.6 Extended Update Support
bind-32:9.8.2-0.30.rc1.el6_6.6
Fixed · RHSA-2016:2099
Red Hat Enterprise Linux 6.7 Extended Update Support
bind-32:9.8.2-0.37.rc1.el6_7.8
Fixed · RHSA-2016:2099
Red Hat Enterprise Linux 7
bind-32:9.9.4-29.el7_2.4
Fixed · RHSA-2016:1944
Red Hat Enterprise Linux 4
bind
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | bind-30:9.3.6-25.P1.el5_11.9 | Fixed | RHSA-2016:1944 |
| Red Hat Enterprise Linux 5 | bind97-32:9.7.0-21.P2.el5_11.7 | Fixed | RHSA-2016:1945 |
| Red Hat Enterprise Linux 6 | bind-32:9.8.2-0.47.rc1.el6_8.1 | Fixed | RHSA-2016:1944 |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | bind-32:9.7.3-8.P3.el6_2.5 | Fixed | RHSA-2016:2099 |
| Red Hat Enterprise Linux 6.4 Advanced Update Support | bind-32:9.8.2-0.17.rc1.el6_4.9 | Fixed | RHSA-2016:2099 |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | bind-32:9.8.2-0.23.rc1.el6_5.4 | Fixed | RHSA-2016:2099 |
| Red Hat Enterprise Linux 6.5 Telco Extended Update Support | bind-32:9.8.2-0.23.rc1.el6_5.4 | Fixed | RHSA-2016:2099 |
| Red Hat Enterprise Linux 6.6 Extended Update Support | bind-32:9.8.2-0.30.rc1.el6_6.6 | Fixed | RHSA-2016:2099 |
| Red Hat Enterprise Linux 6.7 Extended Update Support | bind-32:9.8.2-0.37.rc1.el6_7.8 | Fixed | RHSA-2016:2099 |
| Red Hat Enterprise Linux 7 | bind-32:9.9.4-29.el7_2.4 | Fixed | RHSA-2016:1944 |
| Red Hat Enterprise Linux 4 | bind | Will not fix | 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:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
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 (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 89.48% (0.89482) | 99.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 89.48% (0.89482) | 99.77th | v5 (v2026.06.15) |
| May 2, 2026 | 88.39% (0.88392) | 99.50th | v4 (v2025.03.14) |
| Mar 4, 2026 | 86.96% (0.86964) | 99.42th | v4 (v2025.03.14) |
| Jan 4, 2026 | 88.37% (0.88367) | 99.47th | v4 (v2025.03.14) |
| Jan 1, 2026 | 89.37% (0.89370) | 99.53th | v4 (v2025.03.14) |
| Dec 4, 2025 | 88.37% (0.88367) | 99.46th | v4 (v2025.03.14) |
| Dec 1, 2025 | 89.37% (0.89370) | 99.52th | v4 (v2025.03.14) |
| Jul 9, 2025 | 90.73% (0.90734) | 99.59th | v4 (v2025.03.14) |
| Jun 19, 2025 | 88.90% (0.88897) | 99.48th | v4 (v2025.03.14) |
| Jun 1, 2025 | 87.47% (0.87467) | 99.42th | v4 (v2025.03.14) |
| Mar 17, 2025 | 90.21% (0.90214) | 99.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.34% (0.97335) | 99.92th | v3 (v2023.03.01) |
| Jun 18, 2024 | 97.18% (0.97182) | 99.82th | v3 (v2023.03.01) |
| May 16, 2024 | 97.24% (0.97237) | 99.84th | v3 (v2023.03.01) |
| Apr 12, 2024 | 97.25% (0.97254) | 99.83th | v3 (v2023.03.01) |
| Dec 30, 2023 | 97.29% (0.97293) | 99.84th | v3 (v2023.03.01) |
| Nov 21, 2023 | 97.28% (0.97284) | 99.83th | v3 (v2023.03.01) |
| Oct 11, 2023 | 97.02% (0.97020) | 99.65th | v3 (v2023.03.01) |
| Sep 1, 2023 | 97.25% (0.97247) | 99.76th | v3 (v2023.03.01) |
| Jul 20, 2023 | 97.31% (0.97314) | 99.80th | v3 (v2023.03.01) |
| Jun 11, 2023 | 97.28% (0.97282) | 99.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.30% (0.97295) | 99.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 91.71% (0.91707) | 99.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 91.71% (0.91707) | 99.87th | v2 (v2022.01.01) |
References (21)
- http://rhn.redhat.com/errata/RHSA-2016-1944.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-1945.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-2099.html vendor-advisoryx_refsource_REDHAT
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/93188 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036903 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-2776 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1378380 Issue Tracking
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107 x_refsource_CONFIRMThird Party Advisory
- https://kb.isc.org/article/AA-01419/0 x_refsource_CONFIRMVendor Advisory
- https://kb.isc.org/article/AA-01435 x_refsource_CONFIRM
- https://kb.isc.org/article/AA-01436 x_refsource_CONFIRM
- https://kb.isc.org/article/AA-01438 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-2776
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc vendor-advisoryx_refsource_FREEBSD
- https://security.gentoo.org/glsa/201610-07 vendor-advisoryx_refsource_GENTOO
- https://security.netapp.com/advisory/ntap-20160930-0001/ x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2016-2776
- https://www.exploit-db.com/exploits/40453/ exploitx_refsource_EXPLOIT-DB
Change history (0)
No recorded changes yet.