More Debian Security Advisory

Sorted by date.

DSA-4175

freeplane
security update

Debian Security - 18/04/2018

DSA-4174

corosync
security update

Debian Security - 17/04/2018

DSA-4173

r-cran-readxl
security update

Debian Security - 16/04/2018

DSA-4172

perl
security update

Debian Security - 14/04/2018