Actively exploited in the wild
Google Chromium Indexed DB API Use-After-Free Vulnerability
Google - Chromium Indexed DB API · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-30633
CriticalCVSS 9.6KEVSummary
Use-after-free vulnerability in Indexed DB API in Google Chrome prior to 93.0.4577.82. A remote attacker who compromised the renderer process could potentially perform a sandbox escape via a crafted HTML page.
Risk Assessment
The risk to the organization includes potential privilege escalation and system compromise if the vulnerability is exploited in conjunction with other flaws.
Recommendation
It is recommended to immediately update Google Chrome to version 93.0.4577.82 or later to remediate the vulnerability.
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Original NVD description (English source)
Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.