Security context

Highlights

Buffer Overflow: 2 prior fixes. Scrutinize any change in this area.

edge.c: most-fixed (1 issue). Treat as high-risk during review.

2 high-severity fixes in this history; regressions here are high-impact.

Recurring patterns

Buffer Overflow: Inadequate length validation when decoding wire packets can lead to remote memory corruption or arbitrary code execution within the daemon context. Developers must strictly enforce bounds checks of wire-decoded token sizes and element counts against physical target buffers during decode operations.

Privilege Escalation: Failure to successfully drop privileges or failure to verify the return codes of privilege-dropping syscalls can leave the daemon running with superuser privileges. Strict checking of setreuid and setregid return values is mandatory during initialization.

Buffer Overflow: Out-of-bounds memory reads during utility operations such as binary-to-ASCII conversion can lead to information disclosure or application instability. Strict boundary lookahead verification must be performed.