Busybox vulnerabilities
Published CVEs affecting Busybox products: 6 record(s), with severity, exploitation and fixes.
CVE-2026-38755
Low · 2.9
CWE-674 Jul 15, 2026
Uncontrolled Recursion in Busybox
A heap overflow in the evalcommand() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.
CVE-2026-38754
Medium · 5.1
CWE-125 Jul 15, 2026
Out-of-bounds Read in Busybox
A heap overflow in the ifsbreakup() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.
CVE-2026-38752
Low · 2.9
CWE-674 Jul 15, 2026
Uncontrolled Recursion in Busybox
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.
CVE-2026-38753
Medium · 4.9
CWE-416 Jul 15, 2026
Use After Free in Busybox
A use-after-free in the awk_sub() function (editors/awk.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.
CVE-2025-60876
Medium · 6.5
CWE-284 Nov 10, 2025
Improper Access Control in Busybox
BusyBox wget thru 1.3.7 accepted raw CR (0x0D)/LF (0x0A) and other C0 control bytes in the HTTP request-target (path/query), allowing the request line to be split and attacker-controlled headers to be injected. To preserve the HTTP/1.1 request-line shape METHOD SP request-target SP HTTP/1.1, a raw space (0x20) in the request-target must also be rejected (clients should use %20).
CVE-2023-42366
Medium · 5.5
CWE-787 Nov 27, 2023
Out-of-bounds Write in Busybox
A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.