1973265 - WebCodecs API might reveal fingerprintable information

Status: RESOLVED FIXED

(Core :: Privacy: Anti-Tracking, task, P3)

Description

[Fatih Kilic [:fkilic]]

We should investigate if WebCodecs API can be used to fingerprint given its similarity to already existing fingerprinting surfaces.

We should probably put it behind a RFP target in the meantime.

Comment 1

[Fatih Kilic [:fkilic]]

Attachment: Bug 1973265 - Put WebCodecs API behind RFP Target. r?tjr

Comment 2

[Thorin [:thorin]]

you have 70 as DiskStorageLimit in https://phabricator.services.mozilla.com/D223842

edit: links

• Bug 1923755: FF133 Ship WebCodecs ImageDecoder and VideoFrame to release
• https://developer.mozilla.org/en-US/docs/Web/API/WebCodecs_API
• https://www.w3.org/TR/webcodecs/ - see privacy considerations
• https://github.com/mozilla/standards-positions/issues/209

Comment 3

[Fatih Kilic [:fkilic]]

(In reply to Thorin [:thorin] from comment #2)

you have 70 as DiskStorageLimit in https://phabricator.services.mozilla.com/D223842

Yeah whichever lands first, i'll just rebase

edit: links

thank you!

Comment 4

[Fatih Kilic [:fkilic]]

Attachment: Bug 1973265 - Put WebCodecs API behind RFP Target. r?tjr

Comment 5

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/0683b64c0b28
https://hg.mozilla.org/integration/autoland/rev/a86c4baa7bc5
Put WebCodecs API behind RFP Target. r=tjr,webidl,smaug

Comment 6

[Thorin [:thorin]]

FYI: real world test page: https://w3c.github.io/webcodecs/samples/

Comment 7

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/a86c4baa7bc5