{
  "threat_severity" : "Moderate",
  "public_date" : "2021-03-22T00:00:00Z",
  "bugzilla" : {
    "description" : "webkitgtk: Type confusion issue leading to arbitrary code execution",
    "id" : "1944337",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1944337"
  },
  "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-843",
  "details" : [ "A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.", "A type confusion vulnerability was found in WebKitGTK and WPE WebKit in versions prior to 2.30.6. Processing maliciously crafted web content may lead to arbitrary code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
    "release_date" : "2025-07-07T00:00:00Z",
    "advisory" : "RHSA-2025:10364",
    "cpe" : "cpe:/o:redhat:rhel_els:7",
    "package" : "webkitgtk4-0:2.48.3-2.el7_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-11-09T00:00:00Z",
    "advisory" : "RHSA-2021:4381",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "webkit2gtk3-0:2.32.3-2.el8"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "webkitgtk",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "webkitgtk3",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "webkit2gtk3",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-1789\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-1789\nhttps://webkitgtk.org/security/WSA-2021-0002.html\nhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog" ],
  "name" : "CVE-2021-1789",
  "csaw" : false
}