CVE-2021-30633

A memory safety flaw in Chrome's Indexed DB feature allows attackers who control the browser's renderer process to escape the security sandbox by using a specially crafted webpage. This could lead to complete system compromise.

Use-after-free vulnerability in Indexed DB API allows an attacker with renderer process compromise to trigger unsafe memory access and bypass sandbox isolation. Exploitation requires delivering a malicious HTML page to an already-compromised renderer context, enabling potential privilege escalation to host system.