{"action":"Upgrade mruby to 1.4.1+20180622+git640fca32-1 or later.","affected":[{"fixed":"1.4.1+20180622+git640fca32-1","introduced":"0"}],"component":"mruby","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.4.1+20180622+git640fca32-1"],"id":"tcs_01M5NCZFG2DZ6QQP1TT7J40G5F","modified_at":"2026-10-23T18:03:53.854901411Z","published_at":"2018-06-12T14:29:00.400Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-12248","https://security-tracker.debian.org/tracker/CVE-2018-12248"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-12248#Debian:14/mruby","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-12248"}],"summary":"An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to"}