← WebKit Silent-Fix Report — 2026-W25
ee05249166 Concurrent HashMap access leads to MTE crashes
severity medium
class Race
confidence 0.55
WebCore PlatformScreen
Primitive: concurrent HashMap access -> memory corruption (MTE crash)
Triage note: Commit explicitly fixes a data-race-induced memory-safety crash (MTE) in a shared singleton.
Triage note: Commit explicitly fixes a data-race-induced memory-safety crash (MTE) in a shared singleton.
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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