Shotwell version 0.22.0 (and possibly other versions) is vulnerable to a TLS/SSL certification validation flaw resulting in a potential for man in the middle attacks.
{ "versions": [ { "introduced": "0" }, { "last_affected": "0.22.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-1000033.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "7.0" } ] } ]