Jira display font error in Link to Confluence

[Vinh NC]

Dear Experts,

I user Jira Server and having this font issue (see screenshot). Could you please help to advice what is the root cause and solution.

Thanks a lot!

[Brant Schroeder]

I would start here to see if this corrects your issue - https://confluence.atlassian.com/jirakb/jira-ui-shows-unreadable-text-or-nothing-on-captcha-and-some-gadgets-due-to-missing-fonts-941590036.html