Debian LTS: DLA-1889-1: python3.4 security update
Summary
For Debian 8 "Jessie", this problem has been fixed in version
3.4.2-1+deb8u6.
We recommend that you upgrade your python3.4 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS