{"action":"Upgrade ruby to 3.4.9-r0 or later.","affected":[{"fixed":"3.4.9-r0","introduced":"0"}],"component":"ruby","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["3.4.9-r0"],"id":"tcs_01M5NFMHGE9WAPEBQJH91PNZ5S","modified_at":"2026-10-01T02:17:49.223721850Z","published_at":"2026-04-16T18:16:44.770Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-27820","https://security.alpinelinux.org/vuln/CVE-2026-27820"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-27820#Alpine:v3.24/ruby","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-27820"}],"summary":"zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zs"}