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richard pushed a commit to branch tor-browser-102.5.0esr-12.0-1 in repository tor-browser.
commit 20a3558854697241f2c322cf8cf690623d217066 Author: Arthur Edelstein arthuredelstein@gmail.com AuthorDate: Sat Jul 14 08:50:55 2018 -0700
Bug 26353: Prevent speculative connect that violated FPI.
Connections were observed in the catch-all circuit when the user entered an https or http URL in the URL bar, or typed a search term. --- toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm b/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm index 5d46b1dd8e3b..c2fea54d0744 100644 --- a/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm +++ b/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm @@ -95,6 +95,9 @@ class RemoteWebNavigation { }
uri = Services.uriFixup.getFixupURIInfo(aURI, fixupFlags).preferredURI; +/******************************************************************************* + Disable the following speculative connect until + we can make it properly obey first-party isolation.
// We know the url is going to be loaded, let's start requesting network // connection before the content process asks. @@ -118,6 +121,7 @@ class RemoteWebNavigation { } Services.io.speculativeConnect(uri, principal, null); } +*******************************************************************************/ } catch (ex) { // Can't setup speculative connection for this uri string for some // reason (such as failing to parse the URI), just ignore it.