Ubuntu has issued an advisory today (November 8): https://usn.ubuntu.com/3813-1/ The issues are fixed upstream in 17.5.0 (already in Cauldron).
Assigning to the Python maintainers, CC'ing the registered maintainer.
CC: (none) => makowski.mageia, marja11Assignee: bugsquad => python
RedHat has issued an advisory for this on January 16: https://access.redhat.com/errata/RHSA-2019:0085
openSUSE has issued an advisory for this on April 2: https://lists.opensuse.org/opensuse-updates/2019-04/msg00032.html python-cryptography may need a patch to support the fix.
Mageia 6 is EOL.
CC: (none) => mramboResolution: (none) => OLDStatus: NEW => RESOLVED