Severity and Priority of a Bug

Severity and Priority:

Severity:

Severity is a degree of impact the bug has on an application.It is the extent to which the bug can affect an application.Simply it represents how severe the bug is.

 Levels of Severity:

1.Critical : This bug indicates we cannot proceed further. It can be termination of complete system.

2. Major : Some part of the system fails but other parts of the system still functions properly.

3. Minor : The system is functioning properly but some undesirable behavior has occured.

Priority:

Priority is the order in which the bug is to be fixed.(i.e. When to fix the bug).If the priority of bug is higher it has to be fixed early.The status of priority can depend on Client requirements.

Levels of Priority:

1.High : The bug has to be fixed as early as possible as the damage to application is severe.

2. Medium : The fixing can wait until new version is created.

3. Low : The fixing of bug can be deferred until more serious bug has been fixed.

Different Combinations of Severity and Priority:

1.High Severity and High Priority:

A bug which does not allow the user to use a system.A major part of an application is not working.

2.Low Severity and High Priority:

The Logo or name of the company is not displayed on the website.

3.High Severity and Low priority:

If the application crashes by clicking on remote link,Since the clicking on remote link is rare it has high  severity and low priority category.

4.Low Severity and Low Priority:

Spelling issues and alignment problems.