{"id":"CVE-2021-42378","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 getvar_i function","modified":"2026-04-02T07:34:45.128510Z","published":"2021-11-15T21:15:07.753Z","related":["MGASA-2021-0533","SUSE-SU-2022:0135-1","SUSE-SU-2022:0135-2","SUSE-SU-2022:3959-1","SUSE-SU-2022:4253-1","openSUSE-SU-2022:0135-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html"},{"type":"WEB","url":"https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211223-0002/"},{"type":"ADVISORY","url":"https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mirror/busybox","events":[{"introduced":"e52b735231bda70d811e4f9ef0e21fb2c7af96a2"},{"last_affected":"bcc5b0e6caca6c7602a6a41faa5f980292e0fbc5"}],"database_specific":{"versions":[{"introduced":"1.16.0"},{"last_affected":"1.33.1"}]}}],"versions":["1_16_0","1_16_1","1_16_2","1_17_0","1_17_1","1_17_2","1_17_3","1_17_4","1_18_0","1_18_1","1_18_2","1_18_3","1_18_4","1_18_5","1_19_0","1_19_1","1_19_2","1_19_3","1_19_4","1_20_0","1_20_1","1_20_2","1_21_0","1_21_1","1_22_0","1_22_1","1_23_0","1_23_1","1_23_2","1_24_0","1_24_1","1_24_2","1_25_0","1_25_1","1_26_0","1_26_1","1_26_2","1_27_0","1_27_1","1_27_2","1_28_0","1_28_1","1_28_2","1_28_3","1_28_4","1_29_0","1_29_1","1_29_2","1_29_3","1_30_0","1_30_1","1_31_0","1_31_1","1_32_0","1_32_1","1_33_0","1_33_1","1_34_0","1_34_1","1_35_0","1_36_0","1_36_1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42378.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}