mumble: Remote code execution vulnerability (CVE-2021-27229)

Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on the Open Webpage text.

References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-27229
• https://github.com/mumble-voip/mumble/pull/4733

Patch:

https://github.com/mumble-voip/mumble/commit/e59ee87abe249f345908c7d568f6879d16bfd648

Affected branches:

• master (2fabc9f2)
• 3.13-stable