CVE-2021-45959

{fmt} 7.1.0 through 8.0.1 has a stack-based buffer overflow in fmt::v8::detail::dragonbox::umul192_upper64 (called from fmt::v8::detail::dragonbox::cache_accessor<double>::compute_mul and fmt::v8::detail::dragonbox::decimal_fp<double> fmt::v8::detail::dragonbox::to_de).

Source: CVE-2021-45959