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pxlcoder

WebKit security specialist

56 commits (11mo)
4 security fixes
1 hardening
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Summary

pxlcoder works primarily on the iOS/Cocoa side of WebKit — form controls and their platform UI (date/time inputs, `<input type=checkbox switch>`, datalist dropdowns, color pickers), plus WKContentView, scroll view, and display-link plumbing, with a steady stream of unified-sources build fixes and REGRESSION cleanups alongside. The security work is small but consistent in kind: object-lifetime bugs in form-control and content-view teardown paths (a UAF in `BaseDateAndTimeInputType::didChangeValueFromControl`, a UAF in `-[WKContentView .cxx_destruct]`), echoed by non-security fixes in the same vein — a use-after-move in `WebDataListSuggestionsDropdownIOS.mm` and `CFNotificationCenter` observer registration leaks in `WebProcessPool`. Systematic-variant candidate: the coupling between HTML input-type objects and their retained iOS UI delegates, where destruction ordering and stale observer/callback registrations have repeatedly produced dangling references; the haptic-feedback fix also flags untrusted-event gating on switch inputs as a distinct, less-explored surface.

Components

WebKit
35%
Platform
32%
WebCore
27%
WTF
3%
Platform Cocoa
3%

Security Fix History

Hardening Commits

Recent Commits

1 / 4

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