Download Mumble 1.2.13

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Mumble is an open source and cross platform VoIP program. Clients are available for Windows, OS X, Linux, and iOS. Communication always takes place over an encrypted connection and has a low latency. If it is used within games, an overlay can be used to show who is speaking and, in addition, the program is able to recognize the position of the other person and reproduce the sound in such a way that you can hear where that player is located. . A few weeks ago version 1.2.13 of Mumble was released and this fixes a security problem and the Windows version only has a sha256 signature

mumble 1.2.13

Mumble 1.2.13 fixes a security-relevant bug in Murmur when running on Windows systems that allowed an unauthenticated user to cause Denial of Service on the server’s UDP connection. see Mumble-SA-2016-001 (sig).

This release of Mumble on Windows is also the first stable release in the 1.2-series that is only code-signed with a SHA256 authenticode signature and certificate. Previous releases were signed by both a SHA1 signature and certificate, as well as a SHA256 signature and certificate.

This new code-signing setup can cause issues with some versions of Windows that do not support SHA256 code-signing. If your Mumble installer on Windows does not seem to be Authenticode signed, it probably means that your version of Windows does not support SHA256 code-signing. In that case, we recommend that you ensure the integrity of your Mumble installer by verifying the detached GPG signature (mumble-1.2.13.msi.sig) against our “Mumble Automatic Build Infrastructure 2016” GPG key.

Issues fixes in this release include:

  • In previous versions of Mumble, it was possible to perform a Denial of Service attack on Murmur servers running on Windows. see Mumble-SA-2016-001 (sig) for more information.

For a full changelog, please see the diff between 1.2.12 and 1.2.13 on GitHub.

We recommend that all users of Murmur (the server component of Mumble) on Windows upgrade immediately.

Version number 1.2.13
Release status Final
Operating systems Windows 7, Linux, Windows XP, macOS, Windows Vista, Windows 8, Windows 10
Website mumble
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File size

15.71MB

License type GPL
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