{"id":"ALPINE-CVE-2021-42379","details":"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 next_input_file function","modified":"2026-09-15T08:17:46.693184213Z","published":"2021-11-15T21:15:07.807Z","upstream":["CVE-2021-42379"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-42379"}],"affected":[{"package":{"name":"busybox","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.31.1-r11"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.31.1-r21"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.32.1-r7"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.33.1-r6"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}},{"package":{"name":"busybox","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/busybox?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.18.0"},{"fixed":"1.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-42379.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}