{"action":"Upgrade busybox to 1.31.1-r21 or later.","affected":[{"fixed":"1.31.1-r21","introduced":"1.16.0"}],"component":"busybox","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.12","exploited":false,"fixed_versions":["1.31.1-r21"],"id":"tcs_01M5NDH35MS0W3BASWEAE83V53","modified_at":"2026-10-23T17:17:56.220926521Z","published_at":"2021-11-15T21:15:08.173Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-42386","https://security.alpinelinux.org/vuln/CVE-2021-42386"],"severity":{"label":"high","score":7.2},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-42386#Alpine:v3.12/busybox","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-42386"}],"summary":"A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function"}