# CVE-2022-23946: kicad: A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon GCodeNumber parsing funct...

CVE-2022-23946 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2022-23946, released February 4, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-23946
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0174
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 4, 2022

## Description

A stack-based buffer overflow vulnerability exists in the Gerber Viewer gerber and excellon GCodeNumber parsing functionality of KiCad EDA 6.0.1 and master commit de006fc010. A specially-crafted gerber or excellon file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | kicad Debian 12.15 (bookworm) | 6.0.2+dfsg-1 | [DEBIAN-CVE-2022-23946](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23946.md) | Feb 4, 2022 |
| Linux | kicad Debian 13.5 (trixie) | 6.0.2+dfsg-1 | [DEBIAN-CVE-2022-23946](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23946.md) | Feb 4, 2022 |
| Linux | kicad Debian 14 | 6.0.2+dfsg-1 | [DEBIAN-CVE-2022-23946](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23946.md) | Feb 4, 2022 |
| Linux | kicad Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-common Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-common 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-common-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-common Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-common 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-common-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-demos Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-demos 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-demos-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-ca Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-ca 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-ca-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-ca Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-ca 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-ca-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-de Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-de 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-de-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-de Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-de 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-de-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-en Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-en 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-en-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-en Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-en 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-en-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-es Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-es 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-es-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-es Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-es 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-es-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-fr Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-fr 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-fr-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-fr Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-fr 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-fr-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-id Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-id 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-id-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-id Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-id 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-id-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-it Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-it 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-it-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-it Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-it 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-it-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-ja Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-ja 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-ja-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-ja Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-ja 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-ja-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-nl Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-nl 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-nl-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-pl Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-pl 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-pl-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-pl Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-pl 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-pl-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-ru Ubuntu 18.04.6 LTS (bionic) | 4.0.7+dfsg1-1ubuntu2+esm1 | [kicad-doc-ru 4.0.7+dfsg1-1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-kicad-doc-ru-4.0.7-dfsg1-1ubuntu2-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-ru Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-ru 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-ru-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-doc-zh Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-doc-zh 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-doc-zh-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |
| Linux | kicad-libraries Ubuntu 20.04 LTS (focal) | 5.1.5+dfsg1-2ubuntu0.1~esm1 | [kicad-libraries 5.1.5+dfsg1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-kicad-libraries-5.1.5-dfsg1-2ubuntu0.1-esm1.md) | Feb 16, 2022 |

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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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