VDB
DEBIAN-CVE-2021-42377
DEBIAN-CVE-2021-42377
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Record from OSV · Published November 15, 2021
An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution 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:13 | 1:1.35.0-1 |
| busybox | Debian:14 | 1:1.35.0-1 |
| busybox | Debian:12 | 1:1.35.0-1 |
Risk scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | busybox | 0 |
| Debian:14 | 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-2021-42377
vulnetix vdb fixes DEBIAN-CVE-2021-42377Or 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-2021-42377/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart