Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-4076

25
FAUCET Score

CVE-2024-4076 is a high-severity denial-of-service vulnerability affecting multiple versions of BIND 9, specifically impacting client queries that trigger stale data serving and require local authoritative zone lookups. This can lead to an assertion failure, effectively crashing the DNS server. With a CVSS score of 7.5, the vulnerability is network-exploitable with low attack complexity, requiring no user interaction or privileges, and its primary impact is high availability loss. While there is no known active exploitation, public exploit code, or Metasploit modules, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
ISCBIND 9
>= 9.11.33-S1, <= 9.11.37-S1, >= 9.16.13, <= 9.16.50, >= 9.16.13-S1, <= 9.16.50-S1, >= 9.18.0, <= 9.18.27, >= 9.18.11-S1, <= 9.18.27-S1, >= 9.19.0, <= 9.19.24CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.11%
Probability of exploitation in next 30 days
EPSS Percentile
79.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0211 is in the 64th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (27)

alistgopatch availablevia llm_extracted
Fixed in: 9.20.4
View patch
microsoftpatch availablevia msrc
Product: 17676-17084Fixed in: 9.20.0-1
microsoftpatch availablevia msrc
Product: 18169-17084Fixed in: 9.20.0-1
microsoftpatch availablevia msrc
Product: 19739-17086Fixed in: 9.16.50-1
microsoftpatch availablevia msrc
Product: cbl2 bind 9.16.50-1 on CBL Mariner 2.0Fixed in: 9.16.50-1
microsoftpatch availablevia msrc
Product: azl3 bind 9.19.21-1 on Azure Linux 3.0Fixed in: 9.20.0-1
microsoftpatch availablevia msrc
Product: azl3 bind 9.20.0-1 on Azure Linux 3.0Fixed in: 9.20.0-1
nessuspatch availablevia llm_extracted
Fixed in: 9.18.33-S1
View patch
nodejspatch availablevia llm_extracted
View patch
pjsippatch availablevia llm_extracted
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: bind-dyndb-ldap-0:11.9-8.el9_2.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.13Fixed in: rhcos-413.92.202408270922-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.14Fixed in: rhcos-414.92.202409041930-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: bind9.16-32:9.16.23-0.22.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.16Fixed in: rhcos-416.94.202408260940-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.15Fixed in: rhcos-415.92.202408271217-0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: bind9.16-32:9.16.23-0.7.el8_6.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: bind9.16-32:9.16.23-0.7.el8_6.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: bind9.16-32:9.16.23-0.7.el8_6.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: bind9.16-32:9.16.23-0.14.el8_8.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: bind-32:9.16.23-18.el9_4.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: bind-dyndb-ldap-0:11.9-10.el9_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: bind-32:9.16.23-1.el9_0.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: bind-dyndb-ldap-0:11.9-7.el9_0.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: bind-32:9.16.23-11.el9_2.5
View patch
consensysvendor investigatingvia llm_extracted
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: bind

Vendor Advisories (7)

nodejsllm-nodejs-302528ae26f0d946CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
pjsipllm-pjsip-7ba3ec379210ac70CRITICAL

HP ThinPro 8.1 SP4 Security Updates

Oct 29, 2024
redhatCVE-2024-4076Important

bind: bind9: Assertion failure when serving both stale cache data and authoritative zone content

Jul 23, 2024
microsoft2024-Jul/CVE-2024-4076Important

Assertion failure when serving both stale cache data and authoritative zone content

Jul 9, 2024
nessusllm-nessus-6ebaafcd5e33d3bd
alistgollm-alistgo-10e8eb52ffd96efe

Assertion failure when serving both stale cache data and authoritative zone content

consensysllm-consensys-df40d24b1023a5f9

References

security.netapp.com / advisory/ntap-20240731-0001
kb.isc.org / docs/cve-2024-4076
openwall.com / lists/oss-security/2024/07/23/1
openwall.com / lists/oss-security/2024/07/31/2