STATUS

RESOLUTION
The Status field indicates the current state of a bug. Only certain status transitions are allowed. The Resolution field indicates what happened to this bug.
Open Bugs
NEW
State of bugs that have recently been added to the database. Nobody has confirmed that this bug is valid.
CONFIRMED
State of bugs waiting to be worked on. The Assignee changes the status to IN_PROGRESS when work on it begins.
IN_PROGRESS
State of bugs that are actively being worked on. From here, the assignee can reassign the bug or change its status to RESOLVED or VERIFIED.
REOPENED
Formerly RESOLVED bugs that have failed resolution. From here, the assignee can reassign the bug or change its status to CONFIRMED or IN_PROGRESS.
No resolution yet. All bugs which are in one of these "open" states have no resolution set.
Closed Bugs
RESOLVED
A resolution is awaiting verification by QA. Failing verification, the bug can be REOPENED. When verified, the bug is marked VERIFIED.
VERIFIED
Testing has verified that the resolution is satisfactory. This is the final status for bugs.
FIXED
A fix for this bug is checked in and tested.
INVALID
The problem described is not a bug.
WONTFIX
The problem described is a bug which will never be fixed.
DUPLICATE
The problem is a duplicate of an existing bug. A reference to the duplicate bug is displayed next to the resolution.
WORKSFORME
The problem described cannot be duplicated. If more information is provided, the bug can be reopened.
NORESPONSE
The information provider did not respond to the 'needinfo' flag. in a reasonable length of time.
UPSTREAM
The responsibility for the bug lies upstream. NOTE: In TAG practice, its meaning varies by team, but commonly means that this problem is actually tracked outside Bugzilla.
FEATURE
The bug entry was an enhancement request.
MOVED
The problem was specific to a related product whose bugs are tracked in another application.