Errata patches for libexpat, NFS server, and iked have been released
for OpenBSD 7.7 and 7.8.

Binary updates for the amd64, arm64 and i386 platform are available
via the syspatch utility.  Source code patches can be found on the
respective errata page:

  https://www.openbsd.org/errata77.html
  https://www.openbsd.org/errata78.html