CVE-2021-42386
HIGH7.2EPSS 0.29%Published: 11/15/2021Modified: 4/28/2026
Description
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 nvalloc function
Affected packages (2)
- Alpine/busyboxfrom 0, < 1.31.1-r11
- Debian/busyboxfrom 0, < 1:1.30.1-6+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |