Errata patches for X11 server have been released for OpenBSD 7.6
and 7.5.  Errata patch for OpenSSH has been released for OpenBSD
7.6.

Binary updates for the amd64, arm64 and i386 platform are available
via the syspatch utility.  OpenSSH update only affects big-endian
architectures, syspatch is not provided for such platforms.  Source
code patches can be found on the respective errata page:

  https://www.openbsd.org/errata75.html
  https://www.openbsd.org/errata76.html