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ALPINE-CVE-2021-42380

ALPINE-CVE-2021-42380 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 clrvar 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:v3.15busybox1.32.0-r3, 1.24.1-r3, 1.24.1-r2
Alpine:v3.12busybox1.12.1-r5, 1.12.1-r6, 1.13.0-r0
Alpine:v3.20busybox1.13.2-r1, 0, 1.12.1-r1
Alpine:v3.19busybox1.24.1-r8, 1.32.0-r6, 1.25.0-r4
Alpine:v3.13busybox1.31.1-r18, 1.22.1-r7, 1.22.1-r9
Alpine:v3.22busybox1.17.1-r4, 1.21.1-r1, 1.21.1-r0
Alpine:v3.14busybox1.26.1-r3, 0, 1.12.1-r1
Alpine:v3.17busybox1.24.2-r6, 1.24.1-r3, 1.24.1-r2
Alpine:v3.23busybox1.31.1-r21, 1.14.2-r1, 1.29.3-r6
Alpine:v3.16busybox1.19.3-r0, 1.22.1-r0, 1.22.1-r1
Alpine:v3.11busybox1.31.1-r9, 0, 1.12.1-r1
Alpine:v3.21busybox1.24.2-r0, 1.12.1-r1, 1.12.1-r5
Alpine:v3.18busybox1.28.1-r1, 1.24.1-r4, 1.24.1-r5

Timeline

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