Ubuntu 26.10 completes its transition to Rust-based coreutils

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, chownand du. Canonical’s engineers began “oxidising” the distro – replacing foundational software with Rust alternatives – in 2025, noting the security benefits in doing […] You're reading Ubuntu 26.10 completes its transition to Rust-based coreutils, a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.

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