CVE-2021-42375
MEDIUM5.5EPSS 0.06%Published: 11/15/2021Modified: 4/28/2026
Description
An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used for DoS under rare conditions of filtered command input.
Affected packages (2)
- Alpine/busyboxfrom 0, < 0
- Debian/busyboxfrom 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |