An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "Speech Framework" component. It allows attackers to conduct sandbox-escape attacks or cause a denial of service (memory corruption) via a crafted app.
No PoCs from references.
- https://github.com/maximehip/Safari-iOS10.3.2-macOS-10.12.4-exploit-Bugs