Double free vulnerability in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 allows remote attackers to cause a denial of service (crash) by closing an SSL session at a time when the authentication timeout will expire during the session shutdown sequence.<a href=http://cwe.mitre.org/data/definitions/415.html>CWE-415: Double Free</a> http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-3165