7.5

CVE-2019-6468: isc bind Reachable Assertion

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2019-6468
Published 09-10-2019Last modified 16-09-2024

Vulnerability summary

CVE-2019-6468 is a high (CVSS 7.5) Reachable Assertion vulnerability in isc bind. EPSS estimates a 2.56% chance of exploitation in the next 30 days, higher than 84.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.56%
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. 09-10-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -> 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.

CVSS metrics

6 scores · 3 sources · 3 versions

EPSS trend

Probability

2.56%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.56%

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
Ubuntu1 product
  • bind9< 1:9.9.5.dfsg-3ubuntu0.19 | < 1:9.10.3.dfsg.P4-8ubuntu1.12 | < 1:9.11.3+dfsg-1ubuntu1.5

2 vendors · 3 products

References

4 links