Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : xdg-utils regression (USN-4649-2)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4649-2 advisory. USN-4649-1 fixed vulnerabilities in xdg-utils. That update caused a regression by removing the --attach functionality in thunderbird and...