# OPENSUSE-SU-2026:22040-1: busybox security update

OPENSUSE-SU-2026:22040-1, released October 6, 2026, fixes 5 CVEs in busybox (version 1.37.0-160000.7.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2026-22040-1
- Platform: Linux
- Released: Oct 6, 2026
- Priority: High (Closes CVE-2026-38754, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2026:22040-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [busybox](https://patchblox.com/security/data/product/linux/busybox.md) | opensuse-leap 16.0 | 1.37.0-160000.7.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-38754](https://patchblox.com/security/data/cve/CVE-2026-38754.md) | High | 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. | 7.5 | 0.0024 |  |
| [CVE-2026-38755](https://patchblox.com/security/data/cve/CVE-2026-38755.md) | High | 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. | 7.5 | 0.0021 |  |
| [CVE-2023-42366](https://patchblox.com/security/data/cve/CVE-2023-42366.md) | Routine | busybox: A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159. | 5.5 | 0.0042 |  |
| [CVE-2026-38752](https://patchblox.com/security/data/cve/CVE-2026-38752.md) | Routine | 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. | 2.9 | 0.0021 |  |
| [CVE-2026-38753](https://patchblox.com/security/data/cve/CVE-2026-38753.md) | Routine | 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. | 4.9 | 0.0015 |  |

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Data as of 2026-11-10T07:50:38Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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