{"action":"Upgrade chicken to 4.12.0-0.2 or later.","affected":[{"fixed":"4.12.0-0.2","introduced":"0"}],"component":"chicken","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.12.0-0.2"],"id":"tcs_01M5NBVS3CSBPJZ50DRCDJ1ANC","modified_at":"2026-09-22T07:02:48.140284848Z","published_at":"2017-04-21T20:59:00.883Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-9954","https://security-tracker.debian.org/tracker/CVE-2016-9954"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-9954","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-9954"}],"summary":"The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause a denial of service (memory consumption) via a crafted regula"}