# CVE-2018-13440: audiofile-tools: The audiofile Audio File Library 0.3.6 has a NULL pointer dereference bug in ModuleState::setup in modules/ModuleStat...

CVE-2018-13440 is fixed in 2 products on 1 platform, first by audiofile-tools 0.3.6-4ubuntu0.1~esm1, released February 24, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-13440
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0311
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 7, 2018

## Description

The audiofile Audio File Library 0.3.6 has a NULL pointer dereference bug in ModuleState::setup in modules/ModuleState.cpp, which allows an attacker to cause a denial of service via a crafted caf file, as demonstrated by sfconvert.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | audiofile-tools Ubuntu 18.04.6 LTS (bionic) | 0.3.6-4ubuntu0.1~esm1 | [audiofile-tools 0.3.6-4ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-audiofile-tools-0.3.6-4ubuntu0.1-esm1.md) | Feb 24, 2022 |
| Linux | libaudiofile1 Ubuntu 18.04.6 LTS (bionic) | 0.3.6-4ubuntu0.1~esm1 | [libaudiofile1 0.3.6-4ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libaudiofile1-0.3.6-4ubuntu0.1-esm1.md) | Feb 24, 2022 |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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