← WebKit Silent-Fix Report — 2026-W21
f4ce4a791d Opening or refreshing wasitai.com is extremely slow
severity low
class OOB
confidence 0.40
WebCore page/snapshot
Primitive: pixel-buffer size not checked before read
Triage note: Adds an OOB guard on the sampled pixel buffer; primary intent is perf but the bounds check is a real safety add.
Triage note: Adds an OOB guard on the sampled pixel buffer; primary intent is perf but the bounds check is a real safety add.
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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