{"schema_version":"1.7.5","id":"openSUSE-SU-2026:20487-1","published":"2026-04-09T11:18:30Z","modified":"2026-04-22T18:26:38.435174Z","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":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/zlib&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.13-160000.3.1"}]}],"ecosystem_specific":{"binaries":[{"libminizip1":"1.2.13-160000.3.1","libminizip1-x86-64-v3":"1.2.13-160000.3.1","libz1":"1.2.13-160000.3.1","libz1-x86-64-v3":"1.2.13-160000.3.1","minizip-devel":"1.2.13-160000.3.1","zlib-devel":"1.2.13-160000.3.1","zlib-devel-static":"1.2.13-160000.3.1","zlib-testsuite":"1.2.13-160000.3.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:20487-1.json"}}],"references":[{"type":"ADVISORY"},{"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"}]}