Excessive time spent in DH check / generation with large Q parameter value

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OpenSSL -- DoS in DH generation

The OpenSSL project reports: Excessive time spent in DH check / generation with large Q parameter value low. Generating excessively long X9.42 DH keys or checking excessively long X9.42 DH keys or parameters may be very slow...

SUSE CVE-2023-3817

Issue summary: Checking excessively long DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHcheck, DHcheckex or EVPPKEYparamcheck to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been...