CVE-2016-9131

named in ISC BIND 9.x before 9.9.9-P5, 9.10.x before 9.10.4-P5, and 9.11.x before 9.11.0-P2 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a malformed response to an RTYPE ANY query.

Published: 2017-01-12 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-9131 is rated Moderate Risk (59.7/100): CVSS High severity, with high exploitation likelihood (EPSS 68.03%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-9131

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-03 72.83% 68.03% -4.80%
2 2026-03-04 71.77% 72.83% +1.06%
3 2026-03-03 — 71.77% —

Full EPSS history (45 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-9131

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-9131

OS Trackers for CVE-2016-9131

vendor priority summary link
alpine — CVE-2016-9131: 1 source package rows (bind); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. https://security.alpinelinux.org/vuln/CVE-2016-9131
debian not yet assigned CVE-2016-9131 not yet assigned priority: Debian including 1 source packages (bind9), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-9131
gentoo normal CVE-2016-9131: 1 GLSA(s) (201708-01), 1 atom(s) (net-dns/bind); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-9131
redhat high — https://access.redhat.com/security/cve/CVE-2016-9131
suse high CVE-2016-9131 severity important: SUSE including 452 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 772 product×package rows across 73 product lines (SUSE CaaS Platform 3.0, SUSE CaaS Platform 4.0, … (73 product lines)): Fixed 408, Known Not Affected 207, Known Affected 157. https://www.suse.com/security/cve/CVE-2016-9131/
ubuntu medium CVE-2016-9131 medium priority: Ubuntu including 1 source packages (bind9), 6 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): released 5, needs-triage 1. https://ubuntu.com/security/CVE-2016-9131

Affected software / configurations for CVE-2016-9131

Vendor Product Version Raw CPE
isc bind >= 9.0, <= 9.9.8 cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
isc bind >= 9.10.0, <= 9.10.3 cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*
isc bind 9.9.9 cpe:2.3:a:isc:bind:9.9.9:-:*:*:*:*:*:*
isc bind 9.9.9 cpe:2.3:a:isc:bind:9.9.9:b1:*:*:*:*:*:*
isc bind 9.9.9 cpe:2.3:a:isc:bind:9.9.9:b2:*:*:*:*:*:*
isc bind 9.9.9 cpe:2.3:a:isc:bind:9.9.9:p1:*:*:*:*:*:*
isc bind 9.9.9 cpe:2.3:a:isc:bind:9.9.9:p3:*:*:*:*:*:*
isc bind 9.9.9 cpe:2.3:a:isc:bind:9.9.9:p4:*:*:*:*:*:*
isc bind 9.10.4 cpe:2.3:a:isc:bind:9.10.4:b2:*:*:*:*:*:*
isc bind 9.10.4 cpe:2.3:a:isc:bind:9.10.4:b3:*:*:*:*:*:*
isc bind 9.10.4 cpe:2.3:a:isc:bind:9.10.4:p2:*:*:*:*:*:*
isc bind 9.10.4 cpe:2.3:a:isc:bind:9.10.4:p3:*:*:*:*:*:*
isc bind 9.10.4 cpe:2.3:a:isc:bind:9.10.4:p4:*:*:*:*:*:*
isc bind 9.10.4 cpe:2.3:a:isc:bind:9.10.4:rc1:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:a1:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:a2:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:a3:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:b1:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:b2:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:b3:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:p1:*:*:*:*:*:*
isc bind 9.11.0 cpe:2.3:a:isc:bind:9.11.0:rc1:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
redhat enterprise_linux_desktop 7.0 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 7.2 cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:*
redhat enterprise_linux_eus 7.3 cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*
redhat enterprise_linux_eus 7.4 cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*
redhat enterprise_linux_eus 7.5 cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*
redhat enterprise_linux_eus 7.6 cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*
redhat enterprise_linux_eus 7.7 cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*
redhat enterprise_linux_server 7.0 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.2 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.3 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.4 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.6 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 7.7 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.2 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.3 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.6 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
redhat enterprise_linux_server_tus 7.7 cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*
redhat enterprise_linux_server_workstation 7.0 cpe:2.3:o:redhat:enterprise_linux_server_workstation:7.0:*:*:*:*:*:*:*
netapp data_ontap_edge — cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*
netapp hci_management_node — cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
netapp solidfire — cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
netapp steelstore_cloud_integrated_storage — cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*

References for CVE-2016-9131

cvelogic Threat Intelligence