Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorizedkeys file format with a command= option. This occurs because ~/.ssh/authorizedkeys is read with root privileges and symlinks are followed.
{ "urgency": "not yet assigned" }
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2017-9079.json"