{
  "threat_severity" : "Critical",
  "public_date" : "2011-03-01T00:00:00Z",
  "bugzilla" : {
    "description" : "pango: missing memory reallocation failure checking in hb_buffer_ensure",
    "id" : "678563",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=678563"
  },
  "cvss" : {
    "cvss_base_score" : "6.8",
    "cvss_scoring_vector" : "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "status" : "verified"
  },
  "details" : [ "The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does not verify that memory reallocations succeed, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via crafted OpenType font data that triggers use of an incorrect index." ],
  "statement" : "This issue did not affect the versions of qt shipped with Red Hat Enterprise Linux 4, 5 and 6.",
  "acknowledgement" : "Red Hat would like to thank Mozilla Security Team for reporting this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-03-01T00:00:00Z",
    "advisory" : "RHSA-2011:0309",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "pango-0:1.28.1-3.el6_0.5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "evolution28-pango",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "pango",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "pango",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-0064\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-0064" ],
  "name" : "CVE-2011-0064",
  "csaw" : false
}