---
title: "CVE-2019-13147\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2019-13147?format=md
keywords: index, follow
---

# CVE-2019-13147

Publication date 2 July 2019

Last updated 11 July 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**6.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-13147?format=md#impact-score)

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## Description

In Audio File Library (aka audiofile) 0.3.6, there exists one NULL pointer
dereference bug in ulaw2linear\_buf in G711.cpp in libmodules.a that allows
an attacker to cause a denial of service via a crafted file.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-13147?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| audiofile | 26.04 LTS resolute | Vulnerable, fix deferred |
| 25.10 questing | Ignored end of life, was deferred [2021-06-29] |
| 25.04 plucky | Ignored end of life, was deferred [2021-06-29] |
| 24.10 oracular | Ignored end of life, was deferred [2021-06-29] |
| 24.04 LTS noble | Vulnerable, fix deferred |
| 23.10 mantic | Fixed 0.3.6-5+deb10u1build0.23.10.1 |
| 23.04 lunar | Fixed 0.3.6-5+deb10u1build0.23.04.1 |
| 22.10 kinetic | Ignored end of life, was deferred [2021-06-29] |
| 22.04 LTS jammy | Fixed 0.3.6-5+deb10u1build0.22.04.1 |
| 21.10 impish | Ignored end of life |
| 21.04 hirsute | Ignored end of life |
| 20.10 groovy | Ignored end of life |
| 20.04 LTS focal | Fixed 0.3.6-5+deb10u1build0.20.04.1 |
| 19.10 eoan | Ignored end of life |
| 19.04 disco | Ignored end of life |
| 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Fixed 0.3.6-4ubuntu0.1~esm1  Ubuntu Pro |
| 16.04 LTS xenial | Fixed 0.3.6-2ubuntu0.16.04.1+esm1  Ubuntu Pro |
| 14.04 LTS trusty | Fixed 0.3.6-2ubuntu0.14.04.3+esm1  Ubuntu Pro |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

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## Notes

---

### [ebarretto](https://launchpad.net/~ebarretto)

It looks like upstream is not active anymore, some of the open CVEs
have a proposed fix on a fork.
Marking as deferred for now.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.5 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | None |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13147)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-13147)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-13147)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-13147)

### Related Ubuntu Security Notices (USN)

+ [USN-6558-1](https://usn.ubuntu.com/USN-6558-1)
+ audiofile vulnerabilities
+ 14 December 2023

### Other references

* <https://github.com/mpruett/audiofile/issues/54>
* <https://www.cve.org/CVERecord?id=CVE-2019-13147>