The most important of these issues is CVE-2023-3214, a critical use-after-free flaw in Autofill payments. The issue was reported by Rong Jian of VRI, Google notes in its advisory.

Use-after-free vulnerabilities are a type of memory corruption bugs that occur when a pointer is not cleared after memory allocation has been freed.

Such flaws may be exploited to achieve remote code execution (RCE), denial-of-service (DoS), or data corruption, and may even lead to complete system compromise if combined with other bugs.