| Name | CVE-2026-38755 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1142472 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| busybox (PTS) | bullseye | 1:1.30.1-6 | vulnerable |
| bullseye (security) | 1:1.30.1-6+deb11u1 | vulnerable |
| bookworm | 1:1.35.0-4+deb12u1 | vulnerable |
| trixie | 1:1.37.0-6 | vulnerable |
| forky, sid | 1:1.38.0-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| busybox | source | (unstable) | 1:1.38.0-3 | | | 1142472 |
Notes
[trixie] - busybox <no-dsa> (Minor issue)
https://lists.busybox.net/pipermail/busybox/2026-June/092354.html