# CVE-2018-16981: mame: stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow in the stbi...

CVE-2018-16981 is fixed in 3 products on 1 platform, first by mame 0.195+dfsg.1-2ubuntu0.1~esm1, released June 23, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-16981
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0159
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 12, 2018

## Description

stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow in the stbi__out_gif_code function.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | mame Ubuntu 18.04.6 LTS (bionic) | 0.195+dfsg.1-2ubuntu0.1~esm1 | [mame 0.195+dfsg.1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mame-0.195-dfsg.1-2ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame Ubuntu 20.04 LTS (focal) | 0.220+dfsg.1-1ubuntu0.1~esm1 | [mame 0.220+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mame-0.220-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame Ubuntu 22.04.1 LTS (jammy) | 0.242+dfsg.1-1ubuntu0.1~esm1 | [mame 0.242+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-mame-0.242-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame Ubuntu 24.04.5 LTS (noble) | 0.264+dfsg.1-1ubuntu0.1~esm1 | [mame 0.264+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-mame-0.264-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame Ubuntu 25.10 (questing) | 0.277+dfsg.1-4ubuntu0.1 | [mame 0.277+dfsg.1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-mame-0.277-dfsg.1-4ubuntu0.1.md) | Jun 23, 2022 |
| Linux | mame-data Ubuntu 18.04.6 LTS (bionic) | 0.195+dfsg.1-2ubuntu0.1~esm1 | [mame-data 0.195+dfsg.1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mame-data-0.195-dfsg.1-2ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-data Ubuntu 20.04 LTS (focal) | 0.220+dfsg.1-1ubuntu0.1~esm1 | [mame-data 0.220+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mame-data-0.220-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-data Ubuntu 22.04.1 LTS (jammy) | 0.242+dfsg.1-1ubuntu0.1~esm1 | [mame-data 0.242+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-mame-data-0.242-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-data Ubuntu 24.04.5 LTS (noble) | 0.264+dfsg.1-1ubuntu0.1~esm1 | [mame-data 0.264+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-mame-data-0.264-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-data Ubuntu 25.10 (questing) | 0.277+dfsg.1-4ubuntu0.1 | [mame-data 0.277+dfsg.1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-mame-data-0.277-dfsg.1-4ubuntu0.1.md) | Jun 23, 2022 |
| Linux | mame-tools Ubuntu 18.04.6 LTS (bionic) | 0.195+dfsg.1-2ubuntu0.1~esm1 | [mame-tools 0.195+dfsg.1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mame-tools-0.195-dfsg.1-2ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-tools Ubuntu 20.04 LTS (focal) | 0.220+dfsg.1-1ubuntu0.1~esm1 | [mame-tools 0.220+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-mame-tools-0.220-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-tools Ubuntu 22.04.1 LTS (jammy) | 0.242+dfsg.1-1ubuntu0.1~esm1 | [mame-tools 0.242+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-mame-tools-0.242-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-tools Ubuntu 24.04.5 LTS (noble) | 0.264+dfsg.1-1ubuntu0.1~esm1 | [mame-tools 0.264+dfsg.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-mame-tools-0.264-dfsg.1-1ubuntu0.1-esm1.md) | Jun 23, 2022 |
| Linux | mame-tools Ubuntu 25.10 (questing) | 0.277+dfsg.1-4ubuntu0.1 | [mame-tools 0.277+dfsg.1-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-mame-tools-0.277-dfsg.1-4ubuntu0.1.md) | Jun 23, 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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