Debian LTS: DLA-1512-1: sympa security update
Summary
For Debian 8 "Jessie", this problem has been fixed in version
6.1.23~dfsg-2+deb8u3.
We recommend that you upgrade your sympa 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