{
  "threat_severity" : "Moderate",
  "public_date" : "2018-10-14T00:00:00Z",
  "bugzilla" : {
    "description" : "libtiff: Out-of-bounds write in tif_jbig.c",
    "id" : "1644229",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1644229"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.3",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
    "status" : "verified"
  },
  "cwe" : "CWE-787",
  "details" : [ "LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write." ],
  "statement" : "This issue did not affect the versions of libtiff as shipped with Red Hat Enterprise Linux 5 and 6.\nThis issue affects the versions of libtiff as shipped with Red Hat Enterprise Linux 7.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-08-06T00:00:00Z",
    "advisory" : "RHSA-2019:2053",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "libtiff-0:4.0.3-32.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "libtiff",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "libtiff",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "libtiff",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-18557\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-18557" ],
  "name" : "CVE-2018-18557",
  "csaw" : false
}