{
  "threat_severity" : "Moderate",
  "public_date" : "2005-01-04T00:00:00Z",
  "bugzilla" : {
    "description" : "security flaw",
    "id" : "1617439",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1617439"
  },
  "details" : [ "Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "release_date" : "2005-02-15T00:00:00Z",
    "advisory" : "RHSA-2005:025",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4",
    "package" : "exim-0:4.43-1.RHEL4.3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2005-0021\nhttps://nvd.nist.gov/vuln/detail/CVE-2005-0021" ],
  "name" : "CVE-2005-0021",
  "csaw" : false
}