This bug was fixed in the package stunnel4 - 3:5.30-1ubuntu0.1
--------------- stunnel4 (3:5.30-1ubuntu0.1) xenial; urgency=medium
* Backport fix for TLS session leak introduced in stunnel4 5.27 from stunnel4 5.33: "Fixed a memory leak in the TLS session caching code (thx to Richard Kraemer)" (LP: #1655153).
-- Scott Emmons <email address hidden> Wed, 30 Aug 2017 22:31:43 +0000
This bug was fixed in the package stunnel4 - 3:5.30-1ubuntu0.1
---------------
stunnel4 (3:5.30-1ubuntu0.1) xenial; urgency=medium
* Backport fix for TLS session leak introduced in stunnel4 5.27 from
stunnel4 5.33: "Fixed a memory leak in the TLS session caching code
(thx to Richard Kraemer)" (LP: #1655153).
-- Scott Emmons <email address hidden> Wed, 30 Aug 2017 22:31:43 +0000