On 30 November 2023, Apple issued an emergency patch addressing two zero-day vulnerabilities that were actively exploited in the wild.
According to the Apple security notice, the flaws impact:
Safari 17.1.2 in macOS Monterey and macOS Ventura
The vulnerabilities are identified as:
CVE-2023-42916: an out-of-bounds read potentially resulting in the disclosure of sensitive information
CVE-2023-42917: a memory corruption vulnerability that could lead to arbitrary code execution.