v1.14.1

firecracker-microvm/firecrackerv1.14.1Jan 20, 2026by ShadowCurse

AI Summary

Firecracker v1.14.1 is a minor update that improves security in the Jailer component by updating the binary copy process to disallow symlinks and hardlinks at the destination path and properly change ownership of the copied binary to the specified uid/gid.

Key Highlights

Security improvement in Jailer binary copy process
Disallows symlinks and hardlinks at destination path
Changes ownership of copied binary to specified uid/gid

Full Release Notes

### Changed

* [#5631](https://github.com/firecracker-microvm/firecracker/pull/5631): Update binary copy process inside Jailer to disallow symlinks and hardlinks at the destination path and change ownership of the copied binary to the specified uid/gid.