CVE-2016-9147: isc bind Improper Input Validation
Vulnerability summary
CVE-2016-9147 is a high (CVSS 7.5) Improper Input Validation vulnerability in isc bind. EPSS estimates a 24.60% chance of exploitation in the next 30 days, higher than 97.8% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 25% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 6Timeline
- 12-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
named in ISC BIND 9.9.9-P4, 9.9.9-S6, 9.10.4-P4, and 9.11.0-P1 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a response containing an inconsistency among the DNSSEC-related RRsets.
CVSS metrics
8 scores · 7 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
24.60%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
Decrease -0.19 pp
From 24.79% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat15 products
- bind< 30:9.3.6-25.P1.el5_11.12 | < 32:9.8.2-0.47.rc1.el6_8.4
- bind-chroot< 30:9.3.6-25.P1.el5_11.12 | < 32:9.8.2-0.47.rc1.el6_8.4
- bind-debuginfo< 30:9.3.6-25.P1.el5_11.12 | < 32:9.8.2-0.47.rc1.el6_8.4
- bind-devel< 30:9.3.6-25.P1.el5_11.12 | < 32:9.8.2-0.47.rc1.el6_8.4
- bind-libbind-devel< 30:9.3.6-25.P1.el5_11.12
Alpine1 product
- bind< 9.10.4_p5-r0
Chainguard1 product
- bindAll versions (No fix recorded)
Debian1 product
- bind9< 1:9.10.3.dfsg.P4-11
Isc1 product
- bind9.9.9:p4 | 9.9.9:s6 | 9.10.4:p4 | 9.11.0:p1
Ubuntu1 product
- bind9< 1:9.9.5.dfsg-3ubuntu0.11 | < 1:9.10.3.dfsg.P4-8ubuntu1.4
Wolfi1 product
- bindAll versions (No fix recorded)
7 vendors · 21 products
References
26 linksShow all 26 references
- kb.isc.org/article/AA-01440ARTICLE