URL: https://www.technologyreview.com/2021/01/16/1016264/covid-vaccine-acceptance-us-county/

Browser / Version: Firefox 86.0
Operating System: Mac OS X 10.15
Tested Another Browser: Unknown

Problem type: Something else
Description: Moved from bugzilla
Steps to Reproduce:
User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0

Steps to reproduce:

Open an article on https://www.technologyreview.com

For example:
https://www.technologyreview.com/2021/01/16/1016264/covid-vaccine-acceptance-us-county/

Actual results:

The content part is displayed as bold sans serif font.

There is errors in the web console:

downloadable font: Layout: bad start coverage index. (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: Layout: Failed to parse backtrack coverage 0 in chain context format 3 (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: Layout: Failed to parse chaining context format 3 subtable (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: Layout: Failed to parse lookup subtable 5 (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: Layout: Failed to parse subtable 0 (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: Layout: Failed to parse lookup 7 (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: GSUB: Failed to parse lookup list table (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: GSUB: Failed to parse table (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: rejected by sanitizer (font-family: "Independent" style:normal weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-regular.woff
downloadable font: Layout: bad start coverage index. (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: Layout: Failed to parse backtrack coverage 0 in chain context format 3 (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: Layout: Failed to parse chaining context format 3 subtable (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: Layout: Failed to parse lookup subtable 5 (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: Layout: Failed to parse subtable 0 (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: Layout: Failed to parse lookup 7 (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: GSUB: Failed to parse lookup list table (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: GSUB: Failed to parse table (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff
downloadable font: rejected by sanitizer (font-family: "Independent" style:italic weight:400 stretch:100 src index:0) source: https://cdn.technologyreview.com/_/fonts/independent-italic.woff

Works after disable gfx.downloadable_fonts.otl_validation

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