Apache HTTP Server: mod_md unrestricted OCSP response: Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue. Acknowledgements: finder: Pavel Kohout, Aisle Research, Aisle.com