Bug 312484

Summary: [GPU Process] Tighten security around caching Font and FontCustomPlatformData
Product: WebKit Reporter: Vitor Roriz <vitor.roriz>
Component: TextAssignee: Vitor Roriz <vitor.roriz>
Status: RESOLVED FIXED    
Severity: Normal CC: fantasai.bugs, vitor.roriz, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

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
Radar WebKit Bug Importer
Comment 1 2026-04-16 10:08:53 PDT
Vitor Roriz
Comment 2 2026-04-16 10:12:48 PDT
Vitor Roriz
Comment 3 2026-04-16 10:14:40 PDT
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.
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