As part of the fixes for CVE-2020-10713 grub needs to be resynced with the 7.8 branch.
This bug is to track that resync.
The resync brings in these fixes:
bug 1616395: grub2 doesn't handle relative paths correctly for UEFI HTTP Boot
bug 1732765: UEFI HTTP boot over IPv6 does not work
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.