{"schema_version":"1.7.5","id":"SUSE-SU-2026:21013-1","published":"2026-04-09T11:18:28Z","modified":"2026-04-14T18:26:59.421665Z","related":["CVE-2023-45853","CVE-2026-27171"],"upstream":["CVE-2023-45853","CVE-2026-27171"],"summary":"Security update for zlib","details":"This update for zlib fixes the following issues:\n\n\n- CVE-2026-27171: Fixed an infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths. (bsc#1258392)\n- CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6. (bsc#1216378)\n","affected":[{"package":{"name":"zlib","ecosystem":"SUSE:Linux Micro 6.2","purl":"pkg:rpm/suse/zlib&distro=SUSE%20Linux%20Micro%206.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.13-160000.3.1"}]}],"ecosystem_specific":{"binaries":[{"libz1":"1.2.13-160000.3.1","zlib-devel":"1.2.13-160000.3.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:21013-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621013-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1216378"},{"type":"REPORT","url":"https://bugzilla.suse.com/1258392"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2023-45853"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-27171"}]}