{"action":"Upgrade chicken to 4.12.0-r2 or later.","affected":[{"fixed":"4.12.0-r2","introduced":"0"}],"component":"chicken","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.12","exploited":false,"fixed_versions":["4.12.0-r2"],"id":"tcs_01M6GCR7J3CJMYZVX9QAY8FAQ7","modified_at":"2026-11-03T06:31:02.969595669Z","published_at":"2017-06-01T05:29:00.233Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2017-9334","https://security.alpinelinux.org/vuln/CVE-2017-9334"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2017-9334#Alpine:v3.12/chicken","url":"https://osv.dev/vulnerability/ALPINE-CVE-2017-9334"}],"summary":"An incorrect \"pair?\" check in the Scheme \"length\" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service"}