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CVE-2019-6471

5.9 · MEDIUM

A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c.

Published Oct 9, 2019CWE-362EPSS 3.30%

Overview

CVE-2019-6471 is a medium-severity vulnerability. It was published on October 9, 2019 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refkb.isc.org/docs/cve-2019-6471Refsupport.f5.com/csp/article/K10092301?utm_source=f5support&amp%3Butm_medium=RSSRefkb.isc.org/docs/cve-2019-6471Refsupport.f5.com/csp/article/K10092301?utm_source=f5support&amp%3Butm_medium=RSS

How CyberStrike helps

Frequently asked questions

What is CVE-2019-6471?

CVE-2019-6471 is a medium-severity vulnerability. It was published on October 9, 2019 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2019-6471?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-6471?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-6471?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-6471 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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