7.5

CVE-2018-5734: isc bind Reachable Assertion

CVSS: 7.5v3.0HighModified
Published 16-01-2019Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-5734 is a high (CVSS 7.5) Reachable Assertion vulnerability in isc bind. EPSS estimates a 6.29% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (CVE.org)
EPSS score
6.29%
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. 16-01-2019
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

While handling a particular type of malformed packet BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information. Affects BIND 9.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

6.29%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 6.29% on 18-09-2026

18-09-202618-10-2026
EPSS score
6.29%

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

Isc2 products
  • bind9.10.5:s1 | 9.10.5:s4 | 9.10.6:s1 | 9.10.6:s2
  • bind 99.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2
Netapp2 products

2 vendors · 4 products

References

4 links