Vulnerability · Published Nov 27, 2023 · Assigned by mitre
CVE-2023-42366
Medium 5.5
In plain English
A medium-severity security flaw in the busybox package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 63.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | busybox | 1.36.1-r25 | ALPINE-CVE-2023-42366 |
| Alpine:v3.21 | busybox | 1.36.1-r25 | ALPINE-CVE-2023-42366 |
| Alpine:v3.22 | busybox | 1.36.1-r25 | ALPINE-CVE-2023-42366 |
| Alpine:v3.23 | busybox | 1.36.1-r25 | ALPINE-CVE-2023-42366 |
| Alpine:v3.24 | busybox | 1.36.1-r25 | ALPINE-CVE-2023-42366 |
| Debian:12 | busybox | no fix listed | DEBIAN-CVE-2023-42366 |
| Debian:13 | busybox | no fix listed | DEBIAN-CVE-2023-42366 |
| Debian:14 | busybox | 1:1.37.0-8 | DEBIAN-CVE-2023-42366 |
| Ubuntu:22.04:LTS | busybox | no fix listed | UBUNTU-CVE-2023-42366 |
| Ubuntu:24.04:LTS | busybox | no fix listed | UBUNTU-CVE-2023-42366 |
| Ubuntu:25.10 | busybox | no fix listed | UBUNTU-CVE-2023-42366 |
| Ubuntu:26.04:LTS | busybox | no fix listed | UBUNTU-CVE-2023-42366 |
| Ubuntu:26.10 | busybox | no fix listed | UBUNTU-CVE-2023-42366 |