Source: mangler Severity: serious Version: 1.2.5-5mangler does not seem to be used a lot and is dead upstream. I doubt that Ventrilo is still a thing nowadays.
I intend to file a RM bug. If you have any reasons to keep it in Debian please voice them here.To get people's attention, I am filing as a serious bug and will reassign to the FTP team when the package is autoremoved from testing.