I am not sure sudo is licensed under MIT or GPL, looks it's like a mix of licenses[1]. The end of the first license says it's sponsored in part by DARPA.

From 2010 to February 2024, it was sponsored by Quest Software according to the history page[2].

[1] https://github.com/sudo-project/sudo/blob/main/LICENSE.md

[2] https://www.sudo.ws/about/history/