A “important flaw” in macOS Sonoma’s firewall system can break Mullvad VPN and probably different software program depending on packet filtering, based on the VPN supplier — as famous by PCMag.
In a tweet Mullvad warned customers about the issue, which has been popping up within the early variations of macOS Sonoma forward of its launch on Sept. 26. Right here’s what the tweet mentioned: The macOS 14 Sonoma betas and launch candidate include a bug that causes the firewall to not filter site visitors accurately. In consequence, our app doesn’t work.
Throughout the macOS 14 Sonoma beta interval Apple launched a bug within the macOS firewall, packet filter (PF). This bug prevents our app from working, and can lead to leaks when some settings (e.g. native community sharing) are enabled. We can not assure performance or safety for customers on macOS 14, we’ve investigated this challenge after the sixth beta was launched and reported the bug to Apple. Sadly the bug remains to be current in later macOS 14 betas and the discharge candidate.
We have now evaluated whether or not we will patch our VPN app in such a manner that it really works and retains customers safe in macOS 14. However sadly there isn’t a good resolution, so far as we will inform. We consider the firewall bugs should be fastened by Apple.
The bug impacts far more than simply the Mullvad VPN app. Firewall guidelines don’t get utilized correctly to community site visitors, and site visitors that isn’t alleged to be allowed is allowed. We deem this to be a important flaw within the firewall, anybody counting on PF filtering, or apps utilizing it within the background on their macOS gadgets needs to be cautious about upgrading to macOS 14.
Our suggestions
MacOS 14 Sonoma is scheduled to be launched on the twenty sixth of September, if the bug remains to be current we suggest our customers to stay on macOS 13 Ventura till it’s fastened.
