Release
Mon, Sep 21, 2026
1 min read
Mullvad Browser 15.0.23
Original release notes
- All Platforms
- Updated Firefox to 140.16.0esr
- Updated NoScript to 13.6.33.1984
- Bug 577: Rebase Mullvad Browser stable onto 140.16.0esr [mullvad-browser]
- Bug 45296: (H1) SharedWorker Identity Mismatch allows WebAssembly execution at Safer [tor-browser]
- Bug 45297: (H1) Missing setHTMLUnsafe hook leaves a permanent WebAssembly-capable child realm at Safer [tor-browser]
- Bug 45299: Backport Security Fixes from Firefox 156 [tor-browser]
