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A memory leak in Apple's Network Extension framework
Is it normal for the Little Snitch Network Extension to consume Gigabytes of memory? No it isn’t. Unfortunately that’s another new bug in the Network Extension framework of macOS. It’s a memory leak in Apple’s framework, which developers…
It’s a memory leak in Apple’s framework, which developers must use to create a firewall for the Mac. You can easily check if you are affected by this bug by running the leaks command in a Terminal window: For the time being, if you encounter an unreasonably huge memory consumption, you may enforce a restart of the Network Extension.
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