[USN-5195-1] Mumble vulnerability

Spyros Seimenis spyros.seimenis at canonical.com
Thu Dec 16 10:17:51 UTC 2021

Ubuntu Security Notice USN-5195-1
December 16, 2021

mumble vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS


A security issue was fixed in Mumble.

Software Description:
- mumble: Low latency encrypted VoIP client


It was discovered that the Mumble client supported websites for public servers
with arbitrary URL schemes. If a user were tricked into visiting a malicious
website from the public server list, a remote attacker could possibly execute
arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  mumble                          1.3.0+dfsg-1ubuntu0.1

Ubuntu 18.04 LTS:
  mumble                          1.2.19-1ubuntu1.1

In general, a standard system update will make all the necessary changes.


Package Information:
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