This article says Jira's Bugzilla-to-Jira migration tool supports Bugzilla up through version 4.4.4:
I'd like to migrate to Jira from Bugzilla 5.0.3.
Has anybody tried that? Does the migrator work? Any experiences, good or bad, to share?
I don't have experience with your specific version, but over the years I have migrated many versions of Bugzilla that were later than what was supported. I believe the Bugzilla database schema is pretty stable, so I would try it. Obviously, do not try it for the first time on your production Jira instance!
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