@cb Never realized that Pale Moon does not have the same code like Firefox? The patches what Mozilla inserts are useless if the code does not exist in Pale Moon. And pretty much code of Mozilla of lately is not around.
How should the security issue arrive then? Present from Avatar or Santa Claus?
Very often, newly found vulnerabilities are actually very old.
Take for example this: https://www.securityfocus.com/bid/96691
Security issue from March 2017 - it was present in the browser since Mozilla Firefox 0.1...