A bind security update has been released for openSUSE Leap 15.5 and SUSE Linux Enterprise.

SUSE-SU-2023:3821-1: important: Security update for bind

# Security update for bind

Announcement ID: SUSE-SU-2023:3821-1
Rating: important
References:

* #1215472

Cross-References:

* CVE-2023-3341

CVSS scores:

* CVE-2023-3341 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-3341 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* Basesystem Module 15-SP5
* openSUSE Leap 15.5
* Server Applications Module 15-SP5
* SUSE Linux Enterprise Desktop 15 SP5
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

## Description:

This update for bind fixes the following issues:

Update to release 9.16.44:

* CVE-2023-3341: Fixed stack exhaustion flaw in control channel code may cause
named to terminate unexpectedly (bsc#1215472).

Update to release 9.16.43

* Processing already-queued queries received over TCP could cause an assertion
failure, when the server was reconfigured at the same time or the cache was
being flushed. This has been fixed.

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

* openSUSE Leap 15.5
zypper in -t patch SUSE-2023-3821=1 openSUSE-SLE-15.5-2023-3821=1

* Basesystem Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-3821=1

* Server Applications Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-3821=1

## Package List:

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
* bind-debuginfo-9.16.44-150500.8.12.2
* bind-utils-9.16.44-150500.8.12.2
* bind-debugsource-9.16.44-150500.8.12.2
* bind-9.16.44-150500.8.12.2
* bind-utils-debuginfo-9.16.44-150500.8.12.2
* openSUSE Leap 15.5 (noarch)
* bind-doc-9.16.44-150500.8.12.2
* python3-bind-9.16.44-150500.8.12.2
* Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* bind-debugsource-9.16.44-150500.8.12.2
* bind-utils-debuginfo-9.16.44-150500.8.12.2
* bind-utils-9.16.44-150500.8.12.2
* bind-debuginfo-9.16.44-150500.8.12.2
* Basesystem Module 15-SP5 (noarch)
* python3-bind-9.16.44-150500.8.12.2
* Server Applications Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* bind-debugsource-9.16.44-150500.8.12.2
* bind-9.16.44-150500.8.12.2
* bind-debuginfo-9.16.44-150500.8.12.2
* Server Applications Module 15-SP5 (noarch)
* bind-doc-9.16.44-150500.8.12.2

## References:

* https://www.suse.com/security/cve/CVE-2023-3341.html
* https://bugzilla.suse.com/show_bug.cgi?id=1215472