{
  "threat_severity" : "Moderate",
  "public_date" : "2011-06-07T00:00:00Z",
  "bugzilla" : {
    "description" : "libpng: regression of CVE-2004-0421 in 1.2.23+",
    "id" : "717084",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=717084"
  },
  "cvss" : {
    "cvss_base_score" : "5.0",
    "cvss_scoring_vector" : "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "details" : [ "The png_format_buffer function in pngerror.c in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data.  NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-07-28T00:00:00Z",
    "advisory" : "RHSA-2011:1105",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "libpng-2:1.2.46-1.el6_1"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2011-2501\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-2501" ],
  "name" : "CVE-2011-2501",
  "csaw" : false
}