Errata patches for perl have been released for OpenBSD 6.0 and 6.1. A race condition exists in the File::Path module.
Binary updates for the amd64 and i386 platforms are available via the syspatch utility. Source code patches can be found on the respective errata pages: https://www.openbsd.org/errata60.html https://www.openbsd.org/errata61.html