{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"mruby","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NQXZ0VWQWXR85VAHGSY2ST","modified_at":"2026-10-01T03:02:30.355519369Z","published_at":"2026-02-06T05:16:12.667Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-1979","https://security-tracker.debian.org/tracker/CVE-2026-1979"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-1979#Debian:13/mruby","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-1979"}],"summary":"A flaw has been found in mruby up to 3.4.0. This affects the function mrb_vm_exec of the file src/vm.c of the component JMPNOT-to-JMPIF Optimization. Executing a manipulation can lead to use after fre"}