Vixie Cron before the 3.0pl1-133 Debian package allows local users to cause a denial of service (memory consumption) via a large crontab file because an unlimited number of lines is accepted.
{ "ubuntu_priority": "low" }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "low", "binaries": [ { "binary_version": "3.0pl1-128ubuntu2+esm1", "binary_name": "cron" }, { "binary_version": "3.0pl1-128ubuntu2+esm1", "binary_name": "cron-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "3.0pl1-128.1ubuntu1.1", "binary_name": "cron" }, { "binary_version": "3.0pl1-128.1ubuntu1.1", "binary_name": "cron-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_version": "3.0pl1-134ubuntu1", "binary_name": "cron" }, { "binary_version": "3.0pl1-134ubuntu1", "binary_name": "cron-dbgsym" } ] }