VirtualBox fails to boot FreeBSD 13.0 install ISO in EFI mode

VirtualBox 6.1.26, provided with up-to-date Ubuntu 20.04, fails to boot FreeBSD 13.0 install ISO in EFI mode. However, it worked with 6.1.10 some time ago (Ubuntu 20.04 version), i.e. it was possible to boot the ISO in EFI mode.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: virtualbox 6.1.26-dfsg-3~ubuntu1.20.04.2
ProcVersionSignature: Ubuntu 5.13.0-27.29~20.04.1-lowlatency 5.13.19
Uname: Linux 5.13.0-27-lowlatency x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Tue Jan 25 19:39:28 2022
InstallationDate: Installed on 2020-07-16 (558 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: virtualbox
UpgradeStatus: No upgrade log present (probably fresh install)
VirtualBox.DpkgList:
 ii linux-headers-5.13.0-27-lowlatency 5.13.0-27.29~20.04.1 amd64 Linux kernel headers for version 5.13.0 on 64 bit x86 SMP
 ii linux-headers-lowlatency-hwe-20.04 5.13.0.27.29~20.04.13 amd64 lowlatency Linux kernel headers
 ii virtualbox 6.1.26-dfsg-3~ubuntu1.20.04.2 amd64 x86 virtualization solution - base binaries
 ii virtualbox-dkms 6.1.26-dfsg-3~ubuntu1.20.04.2 amd64 x86 virtualization solution - kernel module sources for dkms
 ii virtualbox-qt 6.1.26-dfsg-3~ubuntu1.20.04.2 amd64 x86 virtualization solution - Qt based user interface