bind: malformed packet containing multiple cookie options can trigger assertion failure
Published Mar 9, 2016
6.8
MEDIUMCVSS 3.0
EPSS 22.79%
Description
resolver.c in named in ISC BIND 9.10.x before 9.10.3-P4, when DNS cookies are enabled, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed packet with more than one cookie option.
Affected products
No data.
- 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
No data.
Red Hat Enterprise Linux 4
bind
Not affected
Red Hat Enterprise Linux 5
bind
Not affected
Red Hat Enterprise Linux 5
bind97
Not affected
Red Hat Enterprise Linux 6
bind
Not affected
Red Hat Enterprise Linux 7
bind
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 5 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 5 | bind97 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | bind | Not affected | n/a |
| Red Hat Enterprise Linux 7 | bind | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of bind97 as shipped with Red Hat Enterprise Linux 5 and bind as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include support for DNS cookies.
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:N/UI:N/S:C/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 22.79% (0.22793) | 97.67th | v5 (v2026.06.15) |
| Sep 22, 2026 | 22.79% (0.22793) | 97.63th | v5 (v2026.06.15) |
| Sep 21, 2026 | 7.63% (0.07626) | 94.38th | v5 (v2026.06.15) |
| Sep 6, 2026 | 22.79% (0.22793) | 97.58th | v5 (v2026.06.15) |
| Sep 5, 2026 | 7.63% (0.07626) | 94.25th | v5 (v2026.06.15) |
| Aug 30, 2026 | 22.79% (0.22793) | 97.56th | v5 (v2026.06.15) |
| Aug 28, 2026 | 7.63% (0.07626) | 94.21th | v5 (v2026.06.15) |
| Aug 24, 2026 | 22.79% (0.22793) | 97.55th | v5 (v2026.06.15) |
| Aug 23, 2026 | 7.63% (0.07626) | 94.19th | v5 (v2026.06.15) |
| Jun 23, 2026 | 22.62% (0.22620) | 97.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 45.99% (0.45988) | 98.65th | v5 (v2026.06.15) |
| Nov 30, 2025 | 48.56% (0.48562) | 97.61th | v4 (v2025.03.14) |
| Oct 19, 2025 | 45.41% (0.45411) | 97.44th | v4 (v2025.03.14) |
| Jul 11, 2025 | 48.56% (0.48562) | 97.62th | v4 (v2025.03.14) |
| Mar 30, 2025 | 57.41% (0.57412) | 97.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 81.00% (0.80996) | 98.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 57.41% (0.57412) | 97.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 83.42% (0.83420) | 98.56th | v3 (v2023.03.01) |
| Oct 26, 2023 | 83.42% (0.83420) | 98.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 86.44% (0.86439) | 97.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.08% (0.03082) | 83.76th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.08% (0.03082) | 82.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.08% (0.03082) | 64.73th | v2 (v2022.01.01) |
References (12)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181036.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178831.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179904.html vendor-advisoryx_refsource_FEDORA
- http://www.securityfocus.com/bid/84290 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035238 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2016-2088 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1315690 Issue Tracking
- https://kb.isc.org/article/AA-01351 x_refsource_CONFIRMVendor Advisory
- https://kb.isc.org/article/AA-01380 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-2088
- https://security.gentoo.org/glsa/201610-07 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2016-2088
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181036.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178831.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179904.html | vendor-advisoryx_refsource_FEDORA | |
| http://www.securityfocus.com/bid/84290 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1035238 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2016-2088 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1315690 | Issue Tracking | |
| https://kb.isc.org/article/AA-01351 | x_refsource_CONFIRMVendor Advisory | |
| https://kb.isc.org/article/AA-01380 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-2088 | ||
| https://security.gentoo.org/glsa/201610-07 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2016-2088 |
Change history (0)
No recorded changes yet.