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ALPINE-CVE-2021-42382

ALPINE-CVE-2021-42382 PUBLISHED CVSS 7.199999809265137 HIGH

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_s function

Risk Scores

CVSS v3.1
7.199999809265137
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Alpine:v3.16busybox1.29.3-r9, 0, 1.12.1-r1
Alpine:v3.15busybox1.20.2-r0, 1.22.1-r1, 1.22.1-r10
Alpine:v3.12busybox0, 1.12.1-r1, 1.12.1-r6
Alpine:v3.13busybox1.29.3-r2, 1.23.2-r1, 1.17.4-r0
Alpine:v3.21busybox1.24.1-r3, 1.24.1-r4, 1.24.1-r5
Alpine:v3.18busybox1.24.1-r3, 1.24.1-r4, 1.24.1-r5
Alpine:v3.22busybox1.31.0-r2, 0, 1.13.2-r3
Alpine:v3.17busybox1.20.1-r1, 1.23.2-r5, 1.23.2-r6
Alpine:v3.14busybox1.32.0-r5, 1.21.1-r3, 1.22.0-r3
Alpine:v3.20busybox1.13.1-r0, 1.33.1-r5, 1.33.1-r4
Alpine:v3.23busybox1.22.1-r0, 1.22.1-r1, 1.22.1-r10
Alpine:v3.19busybox1.24.2-r5, 1.32.0-r5, 1.31.1-r17
Alpine:v3.11busybox1.24.1-r1, 1.24.1-r2, 1.24.1-r3

Timeline

  • Nov 15, 2021 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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