at is defined in ISO POSIX and has been a part of the Linux Standards Base (LSB) since LSB 1.0.
Who deprecated it, when, and why -- no information on this was included in your report?
Without such information, this report appears to be invalid.
If you have knowledge of a specific security flaw it the at package in Ubuntu, please do file a bug report with appropriate details of this issue.
at is defined in ISO POSIX and has been a part of the Linux Standards Base (LSB) since LSB 1.0.
Who deprecated it, when, and why -- no information on this was included in your report?
Without such information, this report appears to be invalid.
If you have knowledge of a specific security flaw it the at package in Ubuntu, please do file a bug report with appropriate details of this issue.