RUSTSEC-2022-0004: Stack overflow in rustc_serialize when parsing deeply nested JSON

[github-actions[bot]]

Stack overflow in rustc_serialize when parsing deeply nested JSON

Details
Package	rustc-serialize
Version	0.3.24
Date	2022-01-01

When parsing JSON using json::Json::from_str, there is no limit to the depth of the stack, therefore deeply nested objects can cause a stack overflow, which aborts the process.

Example code that triggers the vulnerability is

fn main() {
    let _ = rustc_serialize::json::Json::from_str(&"[0,[".repeat(10000));
}

serde is recommended as a replacement to rustc_serialize.

See advisory page for additional details.