# Security update for zlib Announcement ID: SUSE-SU-2023:4215-1 Rating: moderate References: * bsc#1216378 Cross-References: * CVE-2023-45853 CVSS scores: * CVE-2023-45853 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L * CVE-2023-45853 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Products: * Basesystem Module 15-SP5 * Development Tools Module 15-SP5 * openSUSE Leap 15.5 * SUSE Linux Enterprise Desktop 15 SP5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Micro 5.5 * 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 zlib fixes the following issues: * CVE-2023-45853: Fixed an integer overflow that would lead to a buffer overflow in the minizip subcomponent (bsc#1216378). ## 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: * Development Tools Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-4215=1 * openSUSE Leap 15.5 zypper in -t patch SUSE-2023-4215=1 openSUSE-SLE-15.5-2023-4215=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2023-4215=1 * Basesystem Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4215=1 ## Package List: * Development Tools Module 15-SP5 (x86_64) * zlib-devel-32bit-1.2.13-150500.4.3.1 * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586) * libminizip1-1.2.13-150500.4.3.1 * libz1-debuginfo-1.2.13-150500.4.3.1 * zlib-devel-static-1.2.13-150500.4.3.1 * libz1-1.2.13-150500.4.3.1 * zlib-devel-1.2.13-150500.4.3.1 * zlib-testsuite-debuginfo-1.2.13-150500.4.3.1 * minizip-devel-1.2.13-150500.4.3.1 * zlib-testsuite-1.2.13-150500.4.3.1 * libminizip1-debuginfo-1.2.13-150500.4.3.1 * zlib-debugsource-1.2.13-150500.4.3.1 * openSUSE Leap 15.5 (x86_64) * libminizip1-32bit-debuginfo-1.2.13-150500.4.3.1 * libz1-32bit-debuginfo-1.2.13-150500.4.3.1 * zlib-devel-32bit-1.2.13-150500.4.3.1 * zlib-devel-static-32bit-1.2.13-150500.4.3.1 * libminizip1-32bit-1.2.13-150500.4.3.1 * libz1-32bit-1.2.13-150500.4.3.1 * openSUSE Leap 15.5 (aarch64_ilp32) * libz1-64bit-debuginfo-1.2.13-150500.4.3.1 * zlib-devel-64bit-1.2.13-150500.4.3.1 * libminizip1-64bit-1.2.13-150500.4.3.1 * libminizip1-64bit-debuginfo-1.2.13-150500.4.3.1 * zlib-devel-static-64bit-1.2.13-150500.4.3.1 * libz1-64bit-1.2.13-150500.4.3.1 * SUSE Linux Enterprise Micro 5.5 (aarch64 s390x x86_64) * zlib-devel-1.2.13-150500.4.3.1 * libz1-debuginfo-1.2.13-150500.4.3.1 * libz1-1.2.13-150500.4.3.1 * zlib-debugsource-1.2.13-150500.4.3.1 * Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64) * libminizip1-1.2.13-150500.4.3.1 * libz1-debuginfo-1.2.13-150500.4.3.1 * zlib-devel-static-1.2.13-150500.4.3.1 * libz1-1.2.13-150500.4.3.1 * zlib-devel-1.2.13-150500.4.3.1 * minizip-devel-1.2.13-150500.4.3.1 * libminizip1-debuginfo-1.2.13-150500.4.3.1 * zlib-debugsource-1.2.13-150500.4.3.1 * Basesystem Module 15-SP5 (x86_64) * libz1-32bit-1.2.13-150500.4.3.1 * libz1-32bit-debuginfo-1.2.13-150500.4.3.1 ## References: * https://www.suse.com/security/cve/CVE-2023-45853.html * https://bugzilla.suse.com/show_bug.cgi?id=1216378