{"action":"Upgrade ruby to 2.4.10-r0 or later.","affected":[{"fixed":"2.4.10-r0","introduced":"2.4.0"}],"component":"ruby","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.7","exploited":false,"fixed_versions":["2.4.10-r0"],"id":"tcs_01M5NBF98STP7VSG8EM33DRDWA","modified_at":"2026-09-21T06:17:52.495462123Z","published_at":"2019-11-26T18:15:15.210Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2019-16254","https://security.alpinelinux.org/vuln/CVE-2019-16254"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2019-16254#Alpine:v3.7/ruby","url":"https://osv.dev/vulnerability/ALPINE-CVE-2019-16254"}],"summary":"Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows HTTP Response Splitting. If a program using WEBrick inserts untrusted input into the response header, an attacker can exploit it"}