CVE-2003-1564 – libxml2: billion laughs DoS attack

https://notcve.org/view.php?id=CVE-2003-1564

libxml2, possibly before 2.5.0, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, aka the "billion laughs attack." • http://mail.gnome.org/archives/xml/2008-August/msg00034.html http://secunia.com/advisories/31868 http://www.reddit.com/r/programming/comments/65843/time_to_upgrade_libxml2 http://www.redhat.com/support/errata/RHSA-2008-0886.html http://www.stylusstudio.com/xmldev/200302/post20020.html http://xmlsoft.org/news.html https://access.redhat.com/security/cve/CVE-2003-1564 https://bugzilla.redhat.com/show_bug.cgi?id=461107 • CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') •