{"action":"Upgrade ruby to 2.4.2-r0 or later.","affected":[{"fixed":"2.4.2-r0","introduced":"0"}],"component":"ruby","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.16","exploited":false,"fixed_versions":["2.4.2-r0"],"id":"tcs_01M5N8SCQJK09QHXMSEAAT649Q","modified_at":"2026-06-15T18:18:06.718750452Z","published_at":"2017-09-15T19:29:00.190Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2017-0898","https://security.alpinelinux.org/vuln/CVE-2017-0898"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2017-0898#Alpine:v3.16/ruby","url":"https://osv.dev/vulnerability/ALPINE-CVE-2017-0898"}],"summary":"Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting i"}