{
  "threat_severity" : "Moderate",
  "public_date" : "2010-12-30T00:00:00Z",
  "bugzilla" : {
    "description" : "php: hang on numeric value 2.2250738585072011e-308 with x87 fpu",
    "id" : "667806",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=667806"
  },
  "cvss" : {
    "cvss_base_score" : "5.0",
    "cvss_scoring_vector" : "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "details" : [ "strtod.c, as used in the zend_strtod function in PHP 5.2 before 5.2.17 and 5.3 before 5.3.5, and other products, allows context-dependent attackers to cause a denial of service (infinite loop) via a certain floating-point value in scientific notation, which is not properly handled in x87 FPU registers, as demonstrated using 2.2250738585072011e-308." ],
  "statement" : "This issue leads to a temporary denial of service (high CPU consumption) when a PHP script handles numeric values from untrusted user input. It does not affect the versions of PHP as shipped with Red Hat Enterprise Linux 3, 4 or 5.  It  did affect the PHP 5.3 (php53) package on Red Hat Enterprise Linux 5.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2011-02-03T00:00:00Z",
    "advisory" : "RHSA-2011:0196",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "php53-0:5.3.3-1.el5_6.1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2011-02-03T00:00:00Z",
    "advisory" : "RHSA-2011:0195",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "php-0:5.3.2-6.el6_0.1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "fix_state" : "Not affected",
    "package_name" : "php",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "php",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2010-4645\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-4645" ],
  "name" : "CVE-2010-4645",
  "csaw" : false
}