Bug#990671: libjdom2-java: CVE-2021-33813

[Andreas Beckmann]

Followup-For: Bug #990671
Control: fixed -1 2.0.6-1+deb9u1
Control: severity -1 serious

Fixing this in stetch-security only causes version skew on upgrades to
buster:

 libjdom2-java | 2.0.6-1        | stretch          | source, all
 libjdom2-java | 2.0.6-1        | buster           | source, all
 libjdom2-java | 2.0.6-1+deb9u1 | stretch-security | source, all
 libjdom2-java | 2.0.6-2        | bullseye         | source, all
 libjdom2-java | 2.0.6-2        | sid              | source, all

Andreas