Actively exploited in the wild
Google Chromium Blink Use-After-Free Vulnerability
Google - Chromium Blink · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-21206
HighCVSS 8.8KEVSummary
Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Risk Assessment
The risk includes potential remote code execution or browser crash, potentially leading to user security compromise.
Recommendation
Update Google Chrome to version 89.0.4389.128 or later.
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Original NVD description (English source)
Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.