# 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.

CVE-2026-38752 is fixed in busybox on 1 platform, first by DEBIAN-CVE-2026-38752, released July 31, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-38752
- Priority: Routine
- CVSS: 2.9 (Low)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 15, 2026
- Weakness: Uncontrolled Recursion
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-38752

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | busybox Debian 14 | 1:1.38.0-3 | [DEBIAN-CVE-2026-38752](https://patchblox.com/security/data/fix/linux/debian-cve-2026-38752.md) | Jul 31, 2026 |
| Linux | busybox opensuse-leap 16.0 | 1.37.0-160000.7.1 | [OPENSUSE-SU-2026:22040-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22040-1.md) | Oct 6, 2026 |
| Linux | busybox sles 15.7 | 1.37.0-150700.18.21.1 | [SUSE-SU-2026:3933-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3933-1.md) | Sep 3, 2026 |
| Linux | busybox sles 16.0 | 1.37.0-160000.7.1 | [SUSE-SU-2026:24154-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24154-1.md) | Oct 6, 2026 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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