Semi off-topic: What does the security track record of Chrome's integrated PDF viewer (PDFium) look like? Should I make it Click-to-play or is it about as secure as any other part of the browser?

Edit: NVD does list a bunch of vulnerabilities with "PDFium" in them [1], and I guess there are a few more from when it wasn't called PDFium yet, but I'm curious as to how an expert would interpret these numbers.

[1] https://web.nvd.nist.gov/view/vuln/search-results?query=pdfi...