Wireshark has released updates for both the 3.6 and 4.0 lines. There appear to be quite a few bug fixes, but no vulnerability fixes.

[1] https://www.wireshark.org/docs/relnotes/wireshark-4.0.2.html
[2] https://www.wireshark.org/docs/relnotes/wireshark-3.6.10.html
[3] https://www.wireshark.org/download.html

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Jim Clausing, GIAC GSE #26
jclausing --at-- isc [dot] sans (dot) edu