[0.17] Backport: Update zmq to 4.3.1 #15252

1. 
   fanquake commented at 3:56 AM on January 25, 2019: member

   Backports #15188 to the 0.17 branch.

   Addresses https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6250.

2. Update zmq to 4.3.1

   Addresses https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6250
   
   Github-Pull: #15188
   Rebased-From: 3046e5fc019c7276300c65500fb4701e70f6c9d8

   8418707286
3. fanquake added the label Build system on Jan 25, 2019
4. fanquake added the label Backport on Jan 25, 2019
5. fanquake added this to the milestone 0.17.2 on Jan 25, 2019
6. 
   Empact commented at 4:17 AM on January 25, 2019: member

   utACK https://github.com/bitcoin/bitcoin/pull/15252/commits/84187072860707ddf06ebd629f30f12a0398c2cb

7. 
   IlyasRidhuan commented at 7:26 AM on January 25, 2019: none

   utAck https://github.com/bitcoin/bitcoin/pull/15252/commits/84187072860707ddf06ebd629f30f12a0398c2cb

8. laanwj merged this on Jan 30, 2019
9. laanwj closed this on Jan 30, 2019

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10. laanwj referenced this in commit 09a9238c04 on Jan 30, 2019
11. fanquake deleted the branch on Feb 22, 2019
12. DrahtBot locked this on Dec 16, 2021

Milestone
0.17.2