Opened 18 months ago

Last modified 8 months ago

#26599 new defect

investigate CSS masks feature for fingerprinting potential

Reported by: mcs Owned by: tbb-team
Priority: High Milestone:
Component: Applications/Tor Browser Version:
Severity: Normal Keywords: tbb-fingerprinting, ff60-esr, TorBrowserTeam201904
Cc: arthuredelstein Actual Points:
Parent ID: Points:
Reviewer: Sponsor:

Description

Support for CSS masks was added in Firefox 53 and may represent a fingerprinting risk (e.g., if behavior is different for different platforms or GPUs).

https://bugzilla.mozilla.org/show_bug.cgi?id=1251161
https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Masking

Child Tickets

Change History (12)

comment:1 Changed 18 months ago by arthuredelstein

Cc: arthuredelstein added

comment:2 Changed 18 months ago by gk

Priority: MediumImmediate

Bumping prio.

comment:3 Changed 18 months ago by gk

Priority: ImmediateHigh

comment:4 Changed 17 months ago by gk

Keywords: TorBrowserTeam201808 added; TorBrowserTeam201807 removed

Move our tickets to August.

comment:5 Changed 15 months ago by gk

Keywords: TorBrowserTeam201809 added; TorBrowserTeam201808 removed

Moving our tickets to September 2018

comment:6 Changed 15 months ago by gk

Keywords: TorBrowserTeam201810 added; TorBrowserTeam201809 removed

Moving tickets to October

comment:7 Changed 13 months ago by gk

Keywords: TorBrowserTeam201811 added; TorBrowserTeam201810 removed

Moving our tickets to November.

comment:8 Changed 12 months ago by gk

Keywords: TorBrowserTeam201812 added; TorBrowserTeam201811 removed

Moving our tickets to December.

comment:9 Changed 11 months ago by gk

Keywords: TorBrowserTeam201901 added; TorBrowserTeam201812 removed

Moving tickets to Jan 2019.

comment:10 Changed 10 months ago by gk

Keywords: TorBrowserTeam201902 added; TorBrowserTeam201901 removed

Moving tickets to February.

comment:11 Changed 9 months ago by gk

Keywords: TorBrowserTeam201903 added; TorBrowserTeam201902 removed

Moving remaining tickets to March.

comment:12 Changed 8 months ago by gk

Keywords: TorBrowserTeam201904 added; TorBrowserTeam201903 removed

Moving tickets to April.

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