IMAPFilter through 2.6.12 does not validate the hostname in an SSL certificate.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "imapfilter", "binary_version": "1:2.5.2-2+deb8u1build0.14.04.1~esm1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-10937.json"
{ "binaries": [ { "binary_name": "imapfilter", "binary_version": "1:2.6.4-1" } ] }
{ "binaries": [ { "binary_name": "imapfilter", "binary_version": "1:2.6.11-1build1" } ] }