# 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