Middleware/SessionCookie.php in Slim before 2.6.0 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via crafted session data.
seclists.org/fulldisclosure/2015/Mar/16
www.slimframework.com/2015/03/01/version-260.html
github.com/FriendsOfPHP/security-advisories/blob/master/slim/slim/CVE-2015-2171.yaml
github.com/slimphp/Slim
github.com/slimphp/Slim/commit/9fa651474eb4d3bb0ce40dd5a55c51bb861c2658
github.com/slimphp/Slim/issues/1034
nvd.nist.gov/vuln/detail/CVE-2015-2171
web.archive.org/web/20200229032229/www.securityfocus.com/bid/70087