>I think Firefox could also use LPAC on content process This is probably possible, but less of a priority compared to other hardening work. LPAC was more valuable for processes that couldn't tolerate the strictest sandbox (which is already used on content processes). >as same as Edge and IE with enhance protect mode. IE "enhanced protected mode" predates LPAC, AFAIK, so that can't be it? And AFAIK, Edge "Enhanced Security Mode" is about disabling JIT (and enabling everything like CFG/ACG that allows). Do you have a source that they're using LPAC for content in Edge right now?
Bug 1783669 Comment 2 Edit History
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>I think Firefox could also use LPAC on content process This is probably possible, but less of a priority compared to other hardening work. LPAC was more valuable for processes that couldn't tolerate the strictest sandbox (which is already used on content processes). >as same as Edge and IE with enhance protect mode. IE "enhanced protected mode" predates LPAC, AFAIK, so that can't be it? And AFAIK, Edge "Enhanced Security Mode" is about disabling JIT (and then enabling everything like CFG/ACG that doesn't work with a JIT). Do you have a source that they're using LPAC for content in Edge right now?