In this security release, we have resolved a vulnerability of the threat level "low". Affected are all Shopware versions including 22.214.171.124. The following issue has been fixed with this security update:
NEXT-26426 - Updated nyholm/psr7 dependency to the latest version, to fix a known security issue in that library. The issue does not affect Shopware directly but might affect plugins.
We recommend updating your 6.4 version to 126.96.36.199 or 188.8.131.52. You can update via the auto-updater or manually via the download package.