{
  "threat_severity" : "Important",
  "public_date" : "2019-10-22T00:00:00Z",
  "bugzilla" : {
    "description" : "Mozilla: Use-after-free when creating index updates in IndexedDB",
    "id" : "1764438",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1764438"
  },
  "cvss3" : {
    "cvss3_base_score" : "8.8",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-416",
  "details" : [ "When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.", "A use-after-free flaw was found in Mozilla Firefox and Thunderbird. When following a value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. An attacker could use this flaw to execute code that was stored in the referenced memory or crash the system." ],
  "acknowledgement" : "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Zhanjia Song as the original reporter.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2019-10-31T00:00:00Z",
    "advisory" : "RHSA-2019:3281",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "firefox-0:68.2.0-4.el6_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2019-11-06T00:00:00Z",
    "advisory" : "RHSA-2019:3756",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "thunderbird-0:68.2.0-2.el6_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-10-24T00:00:00Z",
    "advisory" : "RHSA-2019:3193",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "firefox-0:68.2.0-1.el7_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-10-29T00:00:00Z",
    "advisory" : "RHSA-2019:3210",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "thunderbird-0:68.2.0-1.el7_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2019-10-24T00:00:00Z",
    "advisory" : "RHSA-2019:3196",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "firefox-0:68.2.0-2.el8_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2019-10-29T00:00:00Z",
    "advisory" : "RHSA-2019:3237",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "thunderbird-0:68.2.0-1.el8_0"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Out of support scope",
    "package_name" : "firefox",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Out of support scope",
    "package_name" : "thunderbird",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2019-11757\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-11757\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2019-33/#CVE-2019-11757" ],
  "name" : "CVE-2019-11757",
  "csaw" : false
}