Researchers from Google project Zero disclosed critical bugs that reside in iMessages that allow attackers to read local files in iPhone without any form of user interaction. The file read vulnerability can be tracked as CVE-2019-8646 and the vulnerability affects iPhone 5s and later, iPad Air and later and iPod touch 6th generation and later. Apple fixed all the issues in iOS 12.4 released and you can see the Full list of the bugs here. The vulnerability PoC is holding until its deadline due to the fix in the advisory did not resolve the vulnerability.”]
Source: https://gbhackers.com/vulnerability-in-apple-imessage/