As you might know, there is a large security bug in systemd that allows users to crash PID 1, and such, temporarily bork the system (system is borked until reinit). The fallout of this could cause people to lose their work, cause filesystem journals to be corrupted, and the output of replays corrupted, and just all kinds of nasty fallout from a crash. This could cause problems in people's everyday lives. If you did not issue a GLSA, most Gentoo users will probably be vulnerable.
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As floppym says, I have no idea what you're referring to here. You may be referring to bug 830967 (although this is actually exploitable in pretty limited situations), but in any case, we need details and ideally a link to an upstream bug report, or at least a CVE number. It's already fixed in stable Gentoo too. GLSA publication is aimed to be resumed soon after some tooling difficulties we've experienced. It's being worked on.
