# CVE-2020-11931: libpulse0: An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found...

CVE-2020-11931 is fixed in 14 products on 1 platform, first by libpulse-mainloop-glib0 1:11.1-1ubuntu7.7, released April 15, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-11931
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0033
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 15, 2020

## Description

An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access restriction for snaps which plugs any of pulseaudio, audio-playback or audio-record via unloading the pulseaudio snap policy module. This issue affects: pulseaudio 1:8.0 versions prior to 1:8.0-0ubuntu3.12; 1:11.1 versions prior to 1:11.1-1ubuntu7.7; 1:13.0 versions prior to 1:13.0-1ubuntu1.2; 1:13.99.1 versions prior to 1:13.99.1-1ubuntu3.2;

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libpulse-mainloop-glib0 Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [libpulse-mainloop-glib0 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpulse-mainloop-glib0-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | libpulse-mainloop-glib0 Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [libpulse-mainloop-glib0 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpulse-mainloop-glib0-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | libpulse0 Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [libpulse0 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpulse0-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | libpulse0 Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [libpulse0 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpulse0-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | libpulsedsp Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [libpulsedsp 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpulsedsp-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | libpulsedsp Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [libpulsedsp 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpulsedsp-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-equalizer Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-equalizer 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-equalizer-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-equalizer Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-equalizer 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-equalizer-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-esound-compat Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-esound-compat 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-esound-compat-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-bluetooth Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-module-bluetooth 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-module-bluetooth-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-bluetooth Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-module-bluetooth 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-module-bluetooth-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-gconf Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-module-gconf 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-module-gconf-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-gsettings Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-module-gsettings 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-module-gsettings-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-jack Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-module-jack 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-module-jack-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-jack Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-module-jack 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-module-jack-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-lirc Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-module-lirc 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-module-lirc-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-lirc Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-module-lirc 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-module-lirc-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-raop Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-module-raop 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-module-raop-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-raop Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-module-raop 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-module-raop-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-zeroconf Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-module-zeroconf 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-module-zeroconf-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-module-zeroconf Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-module-zeroconf 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-module-zeroconf-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |
| Linux | pulseaudio-utils Ubuntu 18.04.6 LTS (bionic) | 1:11.1-1ubuntu7.7 | [pulseaudio-utils 1:11.1-1ubuntu7.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pulseaudio-utils-1-11.1-1ubuntu7.7.md) | Apr 15, 2020 |
| Linux | pulseaudio-utils Ubuntu 20.04 LTS (focal) | 1:13.99.1-1ubuntu3.2 | [pulseaudio-utils 1:13.99.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pulseaudio-utils-1-13.99.1-1ubuntu3.2.md) | Apr 15, 2020 |

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