BSDSec

deadsimple BSD Security Advisories and Announcements

OpenBSD Errata: October 5th, 2019 (dhcpd)

Errata patches for dhcpd have been released for OpenBSD 6.4 and 6.5.

dhcpd leaks 4 bytes of stack to the network.

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

  https://www.openbsd.org/errata64.html
  https://www.openbsd.org/errata65.html

After patching, restart the dhcpd service.