{"action":"Upgrade zlib to 1.3.2-r0 or later.","affected":[{"fixed":"1.3.2-r0","introduced":"1.2.12"}],"component":"zlib","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["1.3.2-r0"],"id":"tcs_01M5NFMCYYW4JW77ZG825VTWR3","modified_at":"2026-10-01T02:17:49.220129403Z","published_at":"2026-02-18T04:16:01.263Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-27171","https://security.alpinelinux.org/vuln/CVE-2026-27171"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-27171#Alpine:v3.23/zlib","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-27171"}],"summary":"zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition."}