VDB
DEBIAN-CVE-2021-42375
DEBIAN-CVE-2021-42375
PUBLISHED
CVSS 5.5 MEDIUM
Record from OSV · Published November 15, 2021
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| busybox | Debian:14 | 1:1.35.0-1 |
| busybox | Debian:13 | 1:1.35.0-1 |
| busybox | Debian:12 | 1:1.35.0-1 |
Risk scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | busybox | 0 |
| Debian:13 | busybox | 0 |
| Debian:12 | busybox | 0 |
Timeline
- Nov 15, 2021 CVE Published
- Oct 23, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln DEBIAN-CVE-2021-42375
vulnetix vdb fixes DEBIAN-CVE-2021-42375Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/DEBIAN-CVE-2021-42375/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart