What is the vulnerability ID of this Bind vulnerability?

The vulnerability ID is USN-6421-1.

What is the title of this vulnerability?

The title of this vulnerability is USN-6421-1: Bind vulnerability.

What is the description of this Bind vulnerability?

The Bind vulnerability involves the incorrect handling of certain control channel messages, which allows a remote attacker with access to the control channel to crash Bind, resulting in a denial of service.

Which software versions are affected by this Bind vulnerability?

The affected software versions are: bind9 1:9.11.3+dfsg-1ubuntu1.19+esm2, libbind9-160 1:9.11.3+dfsg-1ubuntu1.19+esm2, bind9 1:9.10.3.dfsg.P4-8ubuntu1.19+esm7, libbind9-140 1:9.10.3.dfsg.P4-8ubuntu1.19+esm7, bind9 1:9.9.5.dfsg-3ubuntu0.19+esm11, and libbind9-90 1:9.9.5.dfsg-3ubuntu0.19+esm11.

How can I fix the Bind vulnerability (USN-6421-1)?

To fix the Bind vulnerability, you should update the affected software versions to the recommended remedies provided by Ubuntu.

Vulnerability/
USN-6421-1

9/10/2023

USN-6421-1: Bind vulnerability

First published: Mon Oct 09 2023(Updated: )

It was discovered that Bind incorrectly handled certain control channel messages. A remote attacker with access to the control channel could possibly use this issue to cause Bind to crash, resulting in a denial of service.

Affected Software	Affected Version	How to fix
All of
ubuntu/bind9	<1:9.11.3+dfsg-1ubuntu1.19+esm2	1:9.11.3+dfsg-1ubuntu1.19+esm2
	=18.04
All of
ubuntu/libbind9-160	<1:9.11.3+dfsg-1ubuntu1.19+esm2	1:9.11.3+dfsg-1ubuntu1.19+esm2
	=18.04
All of
ubuntu/bind9	<1:9.10.3.dfsg.P4-8ubuntu1.19+esm7	1:9.10.3.dfsg.P4-8ubuntu1.19+esm7
	=16.04
All of
ubuntu/libbind9-140	<1:9.10.3.dfsg.P4-8ubuntu1.19+esm7	1:9.10.3.dfsg.P4-8ubuntu1.19+esm7
	=16.04
All of
ubuntu/bind9	<1:9.9.5.dfsg-3ubuntu0.19+esm11	1:9.9.5.dfsg-3ubuntu0.19+esm11
	=14.04
All of
ubuntu/libbind9-90	<1:9.9.5.dfsg-3ubuntu0.19+esm11	1:9.9.5.dfsg-3ubuntu0.19+esm11
	=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2023-3341

Frequently Asked Questions

What is the vulnerability ID of this Bind vulnerability?
The vulnerability ID is USN-6421-1.
What is the title of this vulnerability?
The title of this vulnerability is USN-6421-1: Bind vulnerability.
What is the description of this Bind vulnerability?
The Bind vulnerability involves the incorrect handling of certain control channel messages, which allows a remote attacker with access to the control channel to crash Bind, resulting in a denial of service.
Which software versions are affected by this Bind vulnerability?
The affected software versions are: bind9 1:9.11.3+dfsg-1ubuntu1.19+esm2, libbind9-160 1:9.11.3+dfsg-1ubuntu1.19+esm2, bind9 1:9.10.3.dfsg.P4-8ubuntu1.19+esm7, libbind9-140 1:9.10.3.dfsg.P4-8ubuntu1.19+esm7, bind9 1:9.9.5.dfsg-3ubuntu0.19+esm11, and libbind9-90 1:9.9.5.dfsg-3ubuntu0.19+esm11.
How can I fix the Bind vulnerability (USN-6421-1)?
To fix the Bind vulnerability, you should update the affected software versions to the recommended remedies provided by Ubuntu.

agent/severity
agent/type
agent/first-publish-date
agent/last-modified-date
agent/softwarecombine
collector/usn
source/Ubuntu
anchor-related/USN-6390-1
agent/software-canonical-lookup
agent/title
agent/event
agent/tags
agent/description
agent/references
agent/trending
package-manager/ubuntu
vendor/ubuntu
canonical/ubuntu ubuntu
version/ubuntu ubuntu/18.04
version/ubuntu ubuntu/16.04
version/ubuntu ubuntu/14.04

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