Ubuntu 16.04 ESM / 18.04 ESM : GNU Screen vulnerability (USN-6198-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has a package installed that is affected by a vulnerability as referenced in the USN-6198-1 advisory. It was discovered that GNU Screen was not properly checking user identifiers before sending certain signals to target processes. If GNU Screen was...