grub2-mkconfig crashes with "free(): invalid next size (normal)" message or fails with "error: environment block too small"

Issue

• When executing grub2-mkconfig to rebuild the Grub menu, the command dumps core and print the following message

  # grub2-mkconfig -o /etc/grub2.cfg
  Generating grub configuration file ...
  free(): invalid next size (normal)
  /etc/grub.d/10_linux: line 128: PID Aborted                 (core dumped)
  

• When executing grub2-mkconfig to rebuild the Grub menu, the command fails with the following message

  # grub2-mkconfig -o /etc/grub2.cfg
  Generating grub configuration file ...
  /usr/bin/grub2-editenv: error: environment block too small.