{
  "threat_severity" : "Low",
  "public_date" : "2017-10-04T00:00:00Z",
  "bugzilla" : {
    "description" : "libXfont: Insufficient input validation in fontdir.c",
    "id" : "1500690",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1500690"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.4",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
    "status" : "draft"
  },
  "cwe" : "CWE-20",
  "details" : [ "In the PatternMatch function in fontfile/fontdir.c in libXfont through 1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection can cause a buffer over-read during pattern matching of fonts, leading to information disclosure or a crash (denial of service). This occurs because '\\0' characters are incorrectly skipped in situations involving ? characters." ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Will not fix",
    "package_name" : "libXfont",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "libXfont",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Will not fix",
    "package_name" : "libXfont",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Will not fix",
    "package_name" : "libXfont2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2017-13720\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-13720" ],
  "name" : "CVE-2017-13720",
  "csaw" : false
}