CVE-2020-37268

A flaw was found in Coq and Rocq provers. The Print Assumptions feature, which is used to audit the soundness of proofs, fails to report when a definition was created without proper "universe checking" a mechanism to ensure logical consistency. This occurs when the definition is incorporated...

CVE-2020-37268 Coq and Rocq Prover Print Assumptions Omits Unsafe Universe Checking Inlined Through Parameter Inline

Print Assumptions does not report that a definition was produced while universe checking was disabled when that definition reaches the caller through Parameter Inline in a module type. Applying a functor inlines the body of the parameter, and the inlining drops the record that the term was built...