The severity of this issue is being overplayed, some programs were returning 1 in callbacks, a lot of software in the wild interpreted it the way LibreSSL did and hence the attempt at error sanitization. There are patches out for OpenBSD 6.1, LibreSSL 2.5.4 contains the fix.<p><a href="https://www.openbsd.org/errata61.html" rel="nofollow">https://www.openbsd.org/errata61.html</a><p><a href="https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.5.4-relnotes.txt" rel="nofollow">https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.5.4-...</a><p>OpenBSD 6.1 users can now also run syspatch(8).