** Changed in: firefox (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1716139
Title:
Remove "Ubuntu" identifier from User Agent strings
Status in chromium-browser package in Ubuntu:
Confirmed
Status in firefox package in Ubuntu:
Fix Released
Bug description:
The Chromium and Firefox builds add an extra Ubuntu identifier in
their user-agent strings. The inclusion of the OS name is unnecessary
and could contribute to user fingerprinting.
Other distros such as Fedora do not add their name to the distro
browser builds' UA as far as I can tell, and google-chrome UAs do not
reveal OS distro version info.
chromium-browser:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu
Chromium/60.0.3112.113 Chrome/60.0.3112.113 Safari/537.36
Change to:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko)
Chromium/60.0.3112.113 Chrome/60.0.3112.113 Safari/537.36
Firefox:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0
Change to: Mozilla/5.0 (X11; Linux x86_64; rv:55.0) Gecko/20100101
Firefox/55.0
In Firefox the build ID can identify the package build anyway so it
isn't necessary to have the distro in the UA string.
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