An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.
No PoCs from references.
- https://github.com/0xCyberY/CVE-T4PDF
- https://github.com/ARPSyndicate/cvemon