The boot catalog pointer is a DWord, but we previously populated it via cd9660_bothendian_dword which overwrote four unused bytes following it. See El Torito 1.0 (1995) Figure 7 for details.
PR: 203531
Reported by: Coverity Scan
Reported by: Thomas Schmitt <scdbackup@gmx.net>
CID: 977470
Sponsored by: The FreeBSD Foundation