(1) Zend_Dom
, (2) Zend_Feed
, (3) Zend_Soap
, and (4) Zend_XmlRpc
in Zend Framework 1.x before 1.11.13 and 1.12.x before 1.12.0 allow remote attackers to cause a denial of service (CPU consumption) via recursive or circular references in an XML entity definition in an XML DOCTYPE declaration, aka an XML Entity Expansion (XEE) attack.
framework.zend.com/security/advisory/ZF2012-02
github.com/zendframework/zf1
github.com/zendframework/zf1/commit/1b5e86183a72b7b10b6c89e4f95f08c5da9716db
nvd.nist.gov/vuln/detail/CVE-2012-6532
web.archive.org/web/20131101014013/www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2013:115/?name=MDVSA-2013:115