In Apple latest update 12.2, 51 patches along with the vulnerability to secretly listen to users get resolved. According to the Threat Post article:
“Apple’s iOS security updates, announced Monday during its March product announcement event, are for the iPhone 5s and later, iPad Air and later and iPod touch 6th generation. The phone maker also disclosed security updates across other products including iTunes, Safari, macOS, and iCloud.
The eavesdropping iOS vulnerability existed in ReplayKit, which allows game developers to give players the ability to easily record and share gameplay. The flaw (CVE-2019-8566) stems from an API issue existed in the handling of microphone data and could allow a malicious application to secretly access the user’s microphone. “An API issue existed in the handling of microphone data,” according to Apple’s update. “This issue was addressed with improved validation,” it stated.”