# Security update for bind Announcement ID: SUSE-SU-2024:0574-1 Rating: important References: * bsc#1219823 * bsc#1219826 * bsc#1219851 * bsc#1219852 * bsc#1219853 * bsc#1219854 Cross-References: * CVE-2023-4408 * CVE-2023-50387 * CVE-2023-50868 * CVE-2023-5517 * CVE-2023-5679 * CVE-2023-6516 CVSS scores: * CVE-2023-4408 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2023-50387 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2023-50387 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2023-50868 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2023-5517 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2023-5679 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2023-6516 ( SUSE ): 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 six vulnerabilities can now be installed. ## Description: This update for bind fixes the following issues: Update to release 9.16.48: * CVE-2023-50387: Fixed a denial-of-service caused by DNS messages containing a lot of DNSSEC signatures (bsc#1219823). * CVE-2023-50868: Fixed a denial-of-service caused by NSEC3 closest encloser proof (bsc#1219826). * CVE-2023-4408: Fixed a denial-of-service caused by DNS messages with many different names (bsc#1219851). * CVE-2023-5517: Fixed a possible crash when nxdomain-redirect was enabled (bsc#1219852). * CVE-2023-5679: Fixed a possible crash when bad interaction between DNS64 and serve-stale, when both of these features are enabled (bsc#1219853). * CVE-2023-6516: Fixed excessive memory consumption when continuously trigger the cache database maintenance (bsc#1219854). ## 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-2024-574=1 openSUSE-SLE-15.5-2024-574=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-574=1 * Server Applications Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2024-574=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586) * bind-9.16.48-150500.8.16.1 * bind-debugsource-9.16.48-150500.8.16.1 * bind-utils-9.16.48-150500.8.16.1 * bind-debuginfo-9.16.48-150500.8.16.1 * bind-utils-debuginfo-9.16.48-150500.8.16.1 * openSUSE Leap 15.5 (noarch) * python3-bind-9.16.48-150500.8.16.1 * bind-doc-9.16.48-150500.8.16.1 * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64) * bind-debugsource-9.16.48-150500.8.16.1 * bind-utils-9.16.48-150500.8.16.1 * bind-debuginfo-9.16.48-150500.8.16.1 * bind-utils-debuginfo-9.16.48-150500.8.16.1 * Basesystem Module 15-SP5 (noarch) * python3-bind-9.16.48-150500.8.16.1 * Server Applications Module 15-SP5 (aarch64 ppc64le s390x x86_64) * bind-9.16.48-150500.8.16.1 * bind-debugsource-9.16.48-150500.8.16.1 * bind-debuginfo-9.16.48-150500.8.16.1 * Server Applications Module 15-SP5 (noarch) * bind-doc-9.16.48-150500.8.16.1 ## References: * https://www.suse.com/security/cve/CVE-2023-4408.html * https://www.suse.com/security/cve/CVE-2023-50387.html * https://www.suse.com/security/cve/CVE-2023-50868.html * https://www.suse.com/security/cve/CVE-2023-5517.html * https://www.suse.com/security/cve/CVE-2023-5679.html * https://www.suse.com/security/cve/CVE-2023-6516.html * https://bugzilla.suse.com/show_bug.cgi?id=1219823 * https://bugzilla.suse.com/show_bug.cgi?id=1219826 * https://bugzilla.suse.com/show_bug.cgi?id=1219851 * https://bugzilla.suse.com/show_bug.cgi?id=1219852 * https://bugzilla.suse.com/show_bug.cgi?id=1219853 * https://bugzilla.suse.com/show_bug.cgi?id=1219854