← WebKit Silent-Fix Report — 2026-W25
ce27a48eff AX: missing null check of WeakPtr ancestorCache in AccessibilityScrollView
severity low
class LogicError
confidence 0.50
WebCore Accessibility
Primitive: null WeakPtr dereference (crash)
Triage note: Genuine missing null-check on a WeakPtr that was dereferenced, a null-deref crash fix.
Triage note: Genuine missing null-check on a WeakPtr that was dereferenced, a null-deref crash fix.
Security-relevant, below the exploitable-grade bar for a full root-cause writeup. The triage verdict is above; the side-by-side patch is below.
Before / after
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