It provides functionality to load, rasterize, and render fonts in various formats, such as TrueType (TTF), OpenType (OTF), and others. The library is installed in millions of systems and services ...
Also, try to preload and pre-connect fonts for text that appears above the fold (custom fonts for the text in the footer doesn’t need to be preloaded) and other external resources where possible.
Facebook warned about a flaw in FreeType which could be used in remote code execution The flaw "may have been exploited in ...