Vulnerability Database

296,746

Total vulnerabilities in the database

CVE-2021-42380

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

  • Published: Nov 15, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-42380
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.2
  • AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/Au:S/C:P/I:P/A:P

CWEs:

Software From Fixed in
busybox / busybox 1.28.0 1.33.1.x
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x