Google Project Zero security researchers have published technical details on an iMessage vulnerability addressed last year, which could be exploited remotely to achieve arbitrary code execution.
Tracked as CVE-2019-8641, the vulnerability is considered Critical, featuring a CVSS score of 9.8, and was discovered by Google Project Zero security researchers Samuel Groß and Natalie Silvanovich.
In September 2019, Apple announced that the release of iOS 12.4.2 for iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch 6th generation addressed this vulnerability: “An out-of-bounds read was addressed with improved input validation.”