That Reddit rumor about Citrix notifying customers to take Netscaler servers offline because of actively exploited zero-days is apparently real: https://www.reddit.com/r/Citrix/comments/1wqjk9a/netscaler_leak/
Confirmation 1: https://mastodon.social/@GossiTheDog@cyberplace.social/117339185245199481
Confirmation 2: https://www.linkedin.com/feed/update/urn🇱🇮activity:7509660925809819649/