# Security update for netty, netty-tcnative

Announcement ID: SUSE-SU-2023:2974-1  
Rating: moderate  
References:

  * #1212637

  
Cross-References:

  * CVE-2023-34462

  
CVSS scores:

  * CVE-2023-34462 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-34462 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * Development Tools Module 15-SP4
  * Development Tools Module 15-SP5
  * openSUSE Leap 15.4
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise Desktop 15 SP4
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP3
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Manager Proxy 4.3
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Manager Server 4.3
  * SUSE Package Hub 15 15-SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for netty, netty-tcnative fixes the following issues:

Upgrade to upstream version 4.1.94:

  * CVE-2023-34462: Allow to limit the maximum lenght of the ClientHello
    (bsc#1212637).

## Patch Instructions:

To install this SUSE Moderate 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 15.4  
    zypper in -t patch openSUSE-SLE-15.4-2023-2974=1

  * openSUSE Leap 15.5  
    zypper in -t patch openSUSE-SLE-15.5-2023-2974=1

  * Development Tools Module 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2023-2974=1

  * Development Tools Module 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-2974=1

  * SUSE Package Hub 15 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2023-2974=1

  * SUSE Linux Enterprise Real Time 15 SP3  
    zypper in -t patch SUSE-SLE-Product-RT-15-SP3-2023-2974=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
    * netty-tcnative-2.0.61-150200.3.13.1
    * netty-4.1.94-150200.4.17.1
  * openSUSE Leap 15.4 (noarch)
    * netty-tcnative-javadoc-2.0.61-150200.3.13.1
    * netty-poms-4.1.94-150200.4.17.1
    * netty-javadoc-4.1.94-150200.4.17.1
  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
    * netty-tcnative-2.0.61-150200.3.13.1
    * netty-4.1.94-150200.4.17.1
  * openSUSE Leap 15.5 (noarch)
    * netty-tcnative-javadoc-2.0.61-150200.3.13.1
    * netty-poms-4.1.94-150200.4.17.1
    * netty-javadoc-4.1.94-150200.4.17.1
  * Development Tools Module 15-SP4 (aarch64 ppc64le s390x x86_64)
    * netty-tcnative-2.0.61-150200.3.13.1
  * Development Tools Module 15-SP5 (aarch64 ppc64le s390x x86_64)
    * netty-tcnative-2.0.61-150200.3.13.1
  * SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x x86_64)
    * netty-4.1.94-150200.4.17.1
  * SUSE Package Hub 15 15-SP5 (noarch)
    * netty-poms-4.1.94-150200.4.17.1
    * netty-javadoc-4.1.94-150200.4.17.1
  * SUSE Linux Enterprise Real Time 15 SP3 (x86_64)
    * netty-tcnative-2.0.61-150200.3.13.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-34462.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1212637

openSUSE: 2023:2974-1: moderate: netty, netty-tcnative Security Advisory Update

July 26, 2023
This update for netty, netty-tcnative fixes the following issues: Upgrade to upstream version 4.1.94:

Description

This update for netty, netty-tcnative fixes the following issues: Upgrade to upstream version 4.1.94: * CVE-2023-34462: Allow to limit the maximum lenght of the ClientHello (bsc#1212637).

 

Patch

## Patch Instructions: To install this SUSE Moderate 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 15.4 zypper in -t patch openSUSE-SLE-15.4-2023-2974=1 * openSUSE Leap 15.5 zypper in -t patch openSUSE-SLE-15.5-2023-2974=1 * Development Tools Module 15-SP4 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2023-2974=1 * Development Tools Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-2974=1 * SUSE Package Hub 15 15-SP5 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2023-2974=1 * SUSE Linux Enterprise Real Time 15 SP3 zypper in -t patch SUSE-SLE-Product-RT-15-SP3-2023-2974=1


Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.61-150200.3.13.1 * netty-4.1.94-150200.4.17.1 * openSUSE Leap 15.4 (noarch) * netty-tcnative-javadoc-2.0.61-150200.3.13.1 * netty-poms-4.1.94-150200.4.17.1 * netty-javadoc-4.1.94-150200.4.17.1 * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.61-150200.3.13.1 * netty-4.1.94-150200.4.17.1 * openSUSE Leap 15.5 (noarch) * netty-tcnative-javadoc-2.0.61-150200.3.13.1 * netty-poms-4.1.94-150200.4.17.1 * netty-javadoc-4.1.94-150200.4.17.1 * Development Tools Module 15-SP4 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.61-150200.3.13.1 * Development Tools Module 15-SP5 (aarch64 ppc64le s390x x86_64) * netty-tcnative-2.0.61-150200.3.13.1 * SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x x86_64) * netty-4.1.94-150200.4.17.1 * SUSE Package Hub 15 15-SP5 (noarch) * netty-poms-4.1.94-150200.4.17.1 * netty-javadoc-4.1.94-150200.4.17.1 * SUSE Linux Enterprise Real Time 15 SP3 (x86_64) * netty-tcnative-2.0.61-150200.3.13.1


References

* #1212637 ## References: * https://www.suse.com/security/cve/CVE-2023-34462.html * https://bugzilla.suse.com/show_bug.cgi?id=1212637


Severity
Announcement ID: SUSE-SU-2023:2974-1
Rating: moderate

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