{"action":"Upgrade ruby to 3.1.2-r0 or later.","affected":[{"fixed":"3.1.2-r0","introduced":"3.0.0"}],"component":"ruby","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["3.1.2-r0"],"id":"tcs_01M5NE28X87HTDSZGGYCKR63D2","modified_at":"2026-10-15T07:17:54.200328838Z","published_at":"2022-05-09T18:15:08.490Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2022-28738","https://security.alpinelinux.org/vuln/CVE-2022-28738"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2022-28738#Alpine:v3.22/ruby","url":"https://osv.dev/vulnerability/ALPINE-CVE-2022-28738"}],"summary":"A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to u"}