Your Drupal and/or Backdrop site(s) have been updated (this afternoon) for:
- Drupal core - Critical - Drupal core - Critical - Third-party libraries - SA-CORE-2021-004 
- Backdrop core - Critical - Third Party Libraries - SA-BACKDROP-CORE-2021-004 
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These security issues affect all sites. We apply all security releases immediately to address as best as possible as yet undiscovered security issues.