https://www.research.ed.ac.uk/en/projects/ruby1-an-insight-into-phytochrome-e-andor-phytochrome-c-signal-tr/publications/
Ruby1 : an insight into phytochrome E and/or phytochrome C signal transduction - Research output -...
https://lists.debian.org/debian-security-announce/2015/msg00042.html
[SECURITY] [DSA 3157-1] ruby1.9.1 security update
securitydsaupdate
https://lwn.net/Articles/734897/
Debian alert DLA-1113-1 (ruby1.8) [LWN.net]
debianalertdlalwn