{"schemaVersion":3,"id":"SUSE-SU-2026:21013-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for zlib\n\nThis 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)","dates":{"published":"2026-04-09T11:18:28.000Z","modified":"2026-04-14T18:26:59.421Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"zlib&distro=SUSE Linux Micro 6.2","name":"zlib","label":"zlib&distro=SUSE Linux Micro 6.2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/zlib&distro=SUSE Linux Micro 6.2","purlType":"rpm","versions":[{"text":"< 1.2.13-160000.3.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.2.13-160000.3.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621013-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-202621013-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1216378","label":"bugzilla.suse.com/1216378","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1258392","label":"bugzilla.suse.com/1258392","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2023-45853","label":"www.suse.com/security/cve/CVE-2023-45853","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27171","label":"www.suse.com/security/cve/CVE-2026-27171","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2023-45853","CVE-2026-27171"],"downstream":[],"duplicates":[],"related":["CVE-2023-45853","CVE-2026-27171"]},"timeline":[{"kind":"published","date":"2026-04-09T11:18:28.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-14T18:26:59.421Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T18:51:36.893Z","stale":false,"partial":false}}