Ubuntu 26.10 completes the distro’s move to Rust-based core utilities, with the commands previously held back due to security issues now migrated to memory-safe versions.

cp , mv and rm were held back on their GNU versions in Ubuntu 26.04 LTS due to a crop of TOCTOU (time-of-check to time-of-use) issues that needed to be fixed in the uutils versions.

With those issues resolved upstream, Ubuntu 26.10 finishes the job. The ‘Stonking Stingray’ ships a full set of Rust core utilities, which encompasses common command-line tools like ls , cat , chmod and du .

Canonical donates €40k a year to help fund work on Rust software

Canonical’s engineers began ‘oxidising’ the distro – replacing foundational software with Rust alternatives – in 2025.…