The (1) order and (2) group methods in Zend_Db_Select in the Zend Framework before 1.12.19 might allow remote attackers to conduct SQL injection attacks via vectors related to use of the character pattern [\w]* in a regular expression.
www.securityfocus.com/bid/91802
framework.zend.com/security/advisory/ZF2016-02
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2JUKFTI6ABK7ZN7IEAGPCLAHCFANMID2/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N27AV6AL6B4KGEP3VIMIHQ5LFAKF5FTU/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UR5HXNGIUSSIZKMSZYMPBEPZEZTYFTIT/
security.gentoo.org/glsa/201804-10