{
  "threat_severity" : "Low",
  "public_date" : "2017-12-22T00:00:00Z",
  "bugzilla" : {
    "description" : "zsh: crash on copying empty hash table",
    "id" : "1549858",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1549858"
  },
  "cvss3" : {
    "cvss3_base_score" : "3.3",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
    "status" : "verified"
  },
  "cwe" : "CWE-665",
  "details" : [ "In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.", "A NULL pointer dereference flaw was found in the code responsible for saving hashtables of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2018-10-30T00:00:00Z",
    "advisory" : "RHSA-2018:3073",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "zsh-0:5.0.2-31.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "zsh",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "zsh",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "zsh",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2018-7549\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-7549" ],
  "name" : "CVE-2018-7549",
  "csaw" : false
}