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CVE-2020-12409 When using certain blank characters in a URL, they where incorrectly rendered as spaces instead of an encoded URL

Description

When using certain blank characters in a URL, they where incorrectly rendered as spaces instead of an encoded URL. This vulnerability affects Firefox < 77.

Affected products and versions

Product Affected versions Fixed in
Firefox 77 earliest → < 77 77
The 2221 CVEs of Firefox →
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