This update for mongodb 3.4.10 fixes the following issues:

Security issues fixed:
- CVE-2017-15535: MongoDB 3.4.x before 3.4.10, and 3.5.x-development, has a disabled-by-default configuration setting, networkMessageCompressors (aka wire protocol compression), which exposes a vulnerability when enabled that could be exploited by a malicious attacker to deny service or modify memory. (boo#1065956)

Bug fixes:
- See release-notes for 3.4.4 - 3.4.10 changes.
* https://docs.mongodb.com/manual/release-notes/3.4-changelog/