VMWare has released patches for ESXi that address a denial of service vulnerablility in hostd. ESXi 6.0 is unaffected, 6.5 has a patch, and 6.7 has a patch pending. This addresses a vulnerability described in CVE-2019-5528 and is rated important (CVSSv3 = 5.3). A workaround has also been published. If you run ESXi, you should take a look at this as well today.
Article Link: https://isc.sans.edu/diary/rss/25112