{
  "threat_severity" : "Moderate",
  "public_date" : "2003-02-02T00:00:00Z",
  "bugzilla" : {
    "description" : "libxml2: billion laughs DoS attack",
    "id" : "461107",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=461107"
  },
  "details" : [ "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.\"" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 2.1",
    "release_date" : "2008-09-11T00:00:00Z",
    "advisory" : "RHSA-2008:0886",
    "cpe" : "cpe:/o:redhat:enterprise_linux:2.1",
    "package" : "libxml2-0:2.4.19-11.ent"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2003-1564\nhttps://nvd.nist.gov/vuln/detail/CVE-2003-1564" ],
  "name" : "CVE-2003-1564",
  "csaw" : false
}