OSSEC 2.8.3 has been released and posted on our Downloads page. You can check the Release Notes to find out what has been updated in this release.
The CVE-2015-3222 vulnerability, which allows for root escalation via syscheck has been fixed in OSSEC 2.8.2. Full details of the issue can be found on the OSSEC Github repository – https://github.com/ossec/ossec-hids/releases/tag/2.8.2.