It's in Debian stable as well. I don't see it in Mint's package listings, but I assume it comes from Ubuntu for Mint.
It does seem that the bug reports are quite old. However, here's one that may be of use:
https://bugs.launchpad.net/ubuntu/+source/mtink/+bug/937142
In that bug report, it suggested that,
Later on, this following suggestion was made:
I don't know enough about Linux to actually recommend the commands above. I myself would try the one deemed "Workaround", but, again, I'm not completely confident recommending it to others.