7.5

CVE-2019-6476: isc bind Reachable Assertion

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2019-6476CGA-35qg-c3rg-m9pqCGA-wqhq-p2v9-vgpq
Published 17-10-2019Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2019-6476 is a high (CVSS 7.5) Reachable Assertion vulnerability in isc bind. EPSS estimates a 2.91% chance of exploitation in the next 30 days, higher than 86.7% 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
2.91%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 3
OPENSUSE-SU-2024:10650-1CGA-3WJV-9MV2-WR68CGA-76QH-JCWW-55M4

Timeline

  1. 17-10-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A defect in code added to support QNAME minimization can cause named to exit with an assertion failure if a forwarder returns a referral rather than resolving the query. This affects BIND versions 9.14.0 up to 9.14.6, and 9.15.0 up to 9.15.4.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

2.91%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.91% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.91%

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
  • bind≥ 9.14.0, ≤ 9.14.6 | ≥ 9.15.0, ≤ 9.15.4
  • bind 99.14.0 up to 9.14.6 | 9.15.0 up to 9.15.4
Alpine1 product
  • bind≥ 9.14.0, < 9.14.7-r0
Chainguard1 product
  • bindAll versions (No fix recorded)
Wolfi1 product
  • bindAll versions (No fix recorded)

4 vendors · 5 products

References

4 links