7.5

CVE-2018-5742: isc bind Reachable Assertion

CVSS: 7.5v3.1HighModified
AliasesRHSA-2019:0194
Published 30-10-2019Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-5742 is a high (CVSS 7.5) Reachable Assertion vulnerability in isc bind. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 75% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-10-2019
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -> bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

1.57%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.57% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat16 products
  • bind9RedHat BIND9 bind-9.9.4-65.el7 -> bind-9.9.4-72.el7
  • bind< 32:9.9.4-73.el7_6
  • bind-chroot< 32:9.9.4-73.el7_6
  • bind-debuginfo< 32:9.9.4-73.el7_6
  • bind-devel< 32:9.9.4-73.el7_6
Isc1 product
  • bind≥ 9.9.4-65, ≤ 9.9.4-72

2 vendors · 17 products

References

9 links