Errata patches for kqueue in the kernel and asn1 in libcrypto have been released for OpenBSD 7.1. Errata patches for pppoe in the kernel have been released for OpenBSD 7.1 and 7.0.
Binary updates for the amd64, i386 and arm64 platform are available via the syspatch utility. Source code patches can be found on the respective errata page: https://www.openbsd.org/errata71.html https://www.openbsd.org/errata70.html