The Mad, Mad Dash to Update Flash

Summary: ThreatMetrix CTO Andreas Baumhof analyzed Flash patch adoption across 10,000+ sites over five months and six Adobe Flash updates, finding Google Chrome users were protected fastest, with Chrome typically pushing the latest update to 90 percent of users in a few days. Internet Explorer users lagged considerably, which Baumhof attributed to how Flash updates on IE and to legacy IE versions still in use, while the fastest uptake regardless of browser followed fixes for zero-day vulnerabilities.
Why it matters: Chrome's own auto-update only applies a Flash patch when the browser restarts, and Baumhof found it took him almost seven days to apply one because he hibernates his machine instead of closing Chrome - so even the fastest browser channel leaves a week-long window that users never see.

Read the original at Krebs on Security ↗

Topics: Vulnerabilities & Patching
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