Vulnerability · Published Jul 15, 2026 · Assigned by mitre

CVE-2026-38752

Low 2.9

In plain English

A low-severity stack buffer overflow in BusyBox from BusyBox. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)2.9Low
Exploit odds (30 days)0.2%top 89.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12busyboxno fix listedDEBIAN-CVE-2026-38752
Debian:13busyboxno fix listedDEBIAN-CVE-2026-38752
Debian:14busybox1:1.38.0-3DEBIAN-CVE-2026-38752
Ubuntu:22.04:LTSbusyboxno fix listedUBUNTU-CVE-2026-38752
Ubuntu:24.04:LTSbusyboxno fix listedUBUNTU-CVE-2026-38752
Ubuntu:26.04:LTSbusyboxno fix listedUBUNTU-CVE-2026-38752
Ubuntu:26.10busyboxno fix listedUBUNTU-CVE-2026-38752

Affected products (as reported)

VendorProductVersions
BusyBox BusyBox 1.00 – through 1.38.0

Weakness: CWE-674, CWE-121 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References