CVE-2019-6465

Name: CVE-2019-6465
Creator: NVD / NIST
Published: 2019-10-09T16:15:16.483+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 3.70%

Last modified Jun 17, 2026

CVE-2019-6465 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Controls for zone transfers may not be properly applied to Dynamically Loadable Zones (DLZs) if the zones are writable Versions affected: BIND 9.9.0 -> 9.10.8-P1, 9.11.0 -> 9.11.5-P2, 9.12.0 -> 9.12.3-P2, and versions 9.9.3-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected. EPSS estimates a 3.70% chance of exploitation in the next 30 days.

Description

Controls for zone transfers may not be properly applied to Dynamically Loadable Zones (DLZs) if the zones are writable Versions affected: BIND 9.9.0 -> 9.10.8-P1, 9.11.0 -> 9.11.5-P2, 9.12.0 -> 9.12.3-P2, and versions 9.9.3-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected. Versions prior to BIND 9.9.0 have not been evaluated for vulnerability to CVE-2019-6465.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

3.70%

88.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions	Update
Isc	Bind	>= 9.9.0, <= 9.10.7	—
Isc	Bind	>= 9.11.0, <= 9.11.4	—
Isc	Bind	>= 9.12.0, <= 9.12.2	—
Isc	Bind	>= 9.13.0, <= 9.13.6	—
Isc	Bind	9.9.3	S1
Isc	Bind	9.10.8	—
Isc	Bind	9.11.5	—
Isc	Bind	9.12.3	—
Redhat	Enterprise Linux	8.0	—

References

https://access.redhat.com/errata/RHSA-2019:3552Third Party Advisory
https://kb.isc.org/docs/cve-2019-6465Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3552Third Party Advisory
https://kb.isc.org/docs/cve-2019-6465Third Party Advisory

Timeline

Published: Oct 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-6465?

How severe is CVE-2019-6465?

CVE-2019-6465 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 3.70% probability of exploitation in the next 30 days.

How do I fix CVE-2019-6465?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6465?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST