Yep 4.0.4 Fix May 2026

Yocto 4.0.4 is a maintenance release for the Kirkstone series, primarily focused on Security Fixes for various system utilities and libraries.

: Includes fixes for libxml2 , libtiff , zlib , and gnutls to mitigate various memory and processing exploits. Recommended Actions for Developers Yep 4.0.4 fix

This write-up covers the key security and functional fixes for the release, which addresses several critical vulnerabilities across core components. Release Overview Yocto 4

If you are managing an environment using these packages, follow these remediation steps to ensure a clean update: vulnerable artifacts from persisting.

: Run a clean command (e.g., npm cache clean or your build system's equivalent) to prevent old, vulnerable artifacts from persisting.