Tor Browser 15.0.8 is now available from the Tor Browser download page and also from our distribution directory.
This version includes important security updates to Firefox.
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If you find a bug or have a suggestion for how we could improve this release, please let us know.
Full changelog
The full changelog since Tor Browser 15.0.7 is:
- All Platforms
- Updated NoScript to 13.6.12.1984
- Bug tor-browser#44663: NoScript behavior on “Safer” security level prevents integrity checks for dynamically loaded javascript
- Bug tor-browser#44680: Properly handle subdocuments created by data: URLs
- Bug tor-browser#44761: Safer Level's worker patching filters out Worker constructor options
- Bug tor-browser#44771: Rebase Tor Browser stable onto 140.9.0esr
- Bug tor-browser#44784: Backport Security Fixes from Firefox 149
- Bug tor-browser-build#41738: Allow to specify an unsupportedURL on update responses
- Windows + macOS + Linux
- Updated Firefox to 140.9.0esr
- Bug tor-browser#44327: ERROR: Your Tor Browser profile cannot be loaded. It may be missing or inaccessible
- Bug tor-browser#44386: Firefox profiles no longer work in Tor Browser 15.0
- Linux
- Bug tor-browser#44657: Backport tor-browser#44394: Do not read default prefs from /etc/firefox
- Android
- Updated GeckoView to 140.9.0esr
- Build System
- Windows + Linux + Android
- Updated Go to 1.25.8
- Bug tor-browser#44249: Backport tor-browser-build#41580: Update Go major to 1.25.x
- Windows + Linux + Android
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Facts Only
Tor Browser 15.0.8 released
Includes security updates for Firefox
Addresses multiple bugs:
tor-browser#44663, NoScript behavior on “Safer” security level
tor-browser#44680, Properly handle subdocuments created by data: URLs
tor-browser#44761, Safer Level's worker patching filters out Worker constructor options
tor-browser#44771, Rebase Tor Browser stable onto 140.9.0esr
tor-browser#44784, Backport Security Fixes from Firefox 149
tor-browser-build#41738, Allow to specify an unsupportedURL on update responses
Platform Updates:
Windows + macOS + Linux: Updated Firefox to 140.9.0esr
Android: Updated GeckoView to 140.9.0esr
Build System: Updated Go to 1.25.8
Executive Summary
Full Take
**SKEPTICAL MODE:**
*Steelman*: This article reports on the release of Tor Browser 15.0.8, which includes important security updates for Firefox across various platforms. It also addresses several bugs that were found in previous versions, such as issues with NoScript behavior and handling subdocuments created by data URLs.
*Pattern Scan*: None detected
*Root Cause*: The update is part of Tor Browser's ongoing efforts to provide secure browsing solutions for users who prioritize privacy and anonymity.
*Implications*: The release of Tor Browser 15.0.8 offers enhanced security features for users, making it a valuable tool for those concerned about online privacy. However, it is important to note that the effectiveness of such tools depends on various factors, including the user's overall digital security practices and the specific threats they are facing.
*Bridge Questions*: How does Tor Browser compare to other privacy-focused browsers? What are some best practices for ensuring online privacy while using Tor Browser? Are there any potential drawbacks or limitations to this update that users should be aware of?