RESOLVED FIXED312484
[GPU Process] Tighten security around caching Font and FontCustomPlatformData 
https://bugs.webkit.org/show_bug.cgi?id=312484
Summary [GPU Process] Tighten security around caching Font and FontCustomPlatformData
Vitor Roriz
Reported 2026-04-16 10:08:43 PDT
Same fix as https://commits.webkit.org/309995@main but for Font and FontCustomPlatformData. To cache these resources in GPU Process, they should not be cached previously. If this happens, the sender process should be terminated immediately.
Attachments
Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2026-04-16 10:08:53 PDT
<rdar://problem/174932063>
Vitor Roriz
Comment 2 2026-04-16 10:12:48 PDT
<rdar://problem/174501109>
Vitor Roriz
Comment 3 2026-04-16 10:14:40 PDT
Pull request: https://github.com/WebKit/WebKit/pull/62903
EWS
Comment 4 2026-04-16 13:36:23 PDT
Committed 311400@main (bebb2c5e22b4): <https://commits.webkit.org/311400@main> Reviewed commits have been landed. Closing PR #62903 and removing active labels.
Note You need to log in before you can comment on or make changes to this bug.