CVE-2020-9967
Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Date published : 2021-04-02
http://packetstormsecurity.com/files/163501/XNU-Network-Stack-Kernel-Heap-Overflow.html