The Mullvad Blog

Keep up to date on developments at Mullvad. News related to our app, security updates, job posts – find it all here.

macOS 14 Sonoma firewall bug fixed!

NewsApp

The firewall bug in macOS 14 Sonoma betas and release candidates that we blogged about last week has been fixed by Apple. Läs mer

Bug in macOS 14 Sonoma prevents our app from working

App

The macOS 14 Sonoma betas and release candidate contain a bug that causes the firewall to not filter traffic correctly. As a result, our app does not work. Läs mer

Response to "TunnelCrack" vulnerability disclosure

PrivacyApp

Mullvad is mostly unaffected by the TunnelCrack VPN vulnerabilities. This is our response to the recently disclosed set of attack vectors on VPNs. Läs mer

Stable Quantum-resistant tunnels in the app!

NewsFeaturesApp

The quantum-resistant tunnels feature is finally stabilized and can easily be enabled for all WireGuard tunnels in our desktop app. Läs mer

Security audit report for our app available

External auditsApp

A security assessment of the Mullvad VPN apps has concluded that the app is well-architected from a security perspective. Some issues were found, and they have been fixed to the extent possible. Läs mer

Android leaks connectivity check traffic

PrivacyApp

An ongoing security audit of our app identified that Android leaks certain traffic, which VPN services cannot prevent. The audit report will go public soon. This post aims to dive into the finding, called MUL22-03. Läs mer

Experimental post-quantum safe VPN tunnels

FeaturesApp

Our latest beta (app version 2022.3-beta1) and some WireGuard servers now support VPN tunnels that protect against attackers with access to powerful quantum computers. Läs mer

Introducing names for easier device management

FeaturesApp

The app now has an easy-to-remember two word name as its device identifier. This both solves the dreaded “too many keys”-issue and it gives users a more friendly way of identifying their devices. Läs mer

Possible DNS leak fixed in our Windows app

App

We found that our Windows app’s firewall rules did not properly block DNS outside the VPN tunnel when split tunneling was used. However, programs would not really use this hole or cause any leaks. Läs mer

Apple’s Private Relay can cause the system to ignore firewall rules

PrivacyApp

Apple’s Private Relay (Beta) feature calls home to Apple servers without respecting the firewall rules of the system, creating a leak that neither we, nor you, can stop without disabling the entire Private Relay feature. Läs mer