# CVE-2023-42366: busybox: A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.

CVE-2023-42366 is fixed in busybox on 1 platform, first by DEBIAN-CVE-2023-42366, released November 27, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-42366
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0042
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 27, 2023

## Description

A heap-buffer-overflow was discovered in BusyBox v.1.36.1 in the next_token function at awk.c:1159.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | busybox Debian 14 | 1:1.37.0-8 | [DEBIAN-CVE-2023-42366](https://patchblox.com/security/data/fix/linux/debian-cve-2023-42366.md) | Nov 27, 2023 |
| 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 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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