Buffer overflow in Busybox
CVE-2026-38752
A stack overflow in the evaluate() function (editors/awk.c) of BusyBox commit 371fe9 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Busybox — versions 2024-07-13
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Product)
- cve@mitre.org (Patch, Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-38752?
- CVE-2026-38752 is a high-severity vulnerability in Busybox, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-07-15.
- How severe is CVE-2026-38752?
- High severity. CVSS v3 base score is 7.5 out of 10.