netconsd prior to v0.2 was vulnerable to an integer overflow in its parse_packet function. A malicious individual could leverage this overflow to create heap memory corruption with attacker controlled data.
https://www.facebook.com/security/advisories/cve-2023-28753
https://github.com/facebook/netconsd/commit/9fc54edf54f7caea1189c2b979337ed37af2c60e