Pier Angelo Vendrame pushed to branch tor-browser-149.0a1-16.0-2 at The Tor Project / Applications / Tor Browser Commits: 881103bb by Pier Angelo Vendrame at 2026-03-23T16:01:55+01:00 BB 44772: Disable efficient randomization for canvases. Always use the regular randomization algorithm, instead. - - - - - 1 changed file: - dom/canvas/CanvasUtils.cpp Changes: ===================================== dom/canvas/CanvasUtils.cpp ===================================== @@ -382,14 +382,9 @@ ImageExtraction ImageExtractionResult(dom::HTMLCanvasElement* aCanvasElement, return ImageExtraction::Placeholder; } - if (ownerDoc->ShouldResistFingerprinting( - RFPTarget::EfficientCanvasRandomization) && - GetCanvasExtractDataPermission(aPrincipal) != - nsIPermissionManager::ALLOW_ACTION) { - return ImageExtraction::EfficientRandomize; - } - - if ((ownerDoc->ShouldResistFingerprinting(RFPTarget::CanvasRandomization) || + if ((ownerDoc->ShouldResistFingerprinting( + RFPTarget::EfficientCanvasRandomization) || + ownerDoc->ShouldResistFingerprinting(RFPTarget::CanvasRandomization) || ownerDoc->ShouldResistFingerprinting(RFPTarget::WebGLRandomization)) && GetCanvasExtractDataPermission(aPrincipal) != nsIPermissionManager::ALLOW_ACTION) { View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/881103bb... -- View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/881103bb... You're receiving this email because of your account on gitlab.torproject.org. Manage all notifications: https://gitlab.torproject.org/-/profile/notifications | Help: https://gitlab.torproject.org/help