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CVE-2018-5742

24
FAUCET Score

CVE-2018-5742 is a high-severity assertion failure vulnerability (CWE-617) in Red Hat's BIND9, specifically affecting versions bind-9.9.4-65.el7 through bind-9.9.4-72.el7, due to an error introduced during a feature backport. This vulnerability, with a CVSS score of 7.5, allows for a denial-of-service attack (availability impact) without requiring user interaction or authentication. There is currently no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.9.4-65, <= 9.9.4-72CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 55th percentile among its peer group of 51,553 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

No media coverage found for this CVE.

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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: bind-32:9.9.4-73.el7_6
View patch

Vendor Advisories (1)

redhatCVE-2018-5742Moderate

bind: Crash from assertion error when debug log level is 10 and log entries meet buffer boundary

Dec 18, 2018

References

access.redhat.com / security/cve/cve-2018-5742
Third Party Advisory