{
  "threat_severity" : "Low",
  "public_date" : "2017-09-07T00:00:00Z",
  "bugzilla" : {
    "description" : "libxml2: Unrestricted memory usage in xz_head() function in xzlib.c",
    "id" : "1566749",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1566749"
  },
  "cvss3" : {
    "cvss3_base_score" : "3.5",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
    "status" : "verified"
  },
  "cwe" : "CWE-400",
  "details" : [ "The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Ansible Tower 3.5 for RHEL 7",
    "release_date" : "2020-04-22T00:00:00Z",
    "advisory" : "RHBA-2020:1539",
    "cpe" : "cpe:/a:redhat:ansible_tower:3.5::el7",
    "package" : "ansible-tower-35/ansible-tower:3.5.6-1"
  }, {
    "product_name" : "Red Hat Ansible Tower 3.6 for RHEL 7",
    "release_date" : "2020-04-22T00:00:00Z",
    "advisory" : "RHBA-2020:1540",
    "cpe" : "cpe:/a:redhat:ansible_tower:3.6::el7",
    "package" : "ansible-tower-36/ansible-tower:3.6.4-1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2020-03-31T00:00:00Z",
    "advisory" : "RHSA-2020:1190",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "libxml2-0:2.9.1-6.el7.4"
  }, {
    "product_name" : "Text-Only JBCS",
    "release_date" : "2018-08-16T00:00:00Z",
    "advisory" : "RHSA-2018:2486",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "libxml2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "libxml2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "libxml2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "mingw-libxml2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat JBoss Core Services",
    "fix_state" : "Affected",
    "package_name" : "libxml2",
    "cpe" : "cpe:/a:redhat:jboss_core_services:1"
  }, {
    "product_name" : "Red Hat JBoss Web Server 3",
    "fix_state" : "Not affected",
    "package_name" : "libxml2",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_web_server:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2017-18258\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-18258" ],
  "name" : "CVE-2017-18258",
  "csaw" : false
}