{
  "threat_severity" : "Moderate",
  "public_date" : "2021-10-26T00:00:00Z",
  "bugzilla" : {
    "description" : "webkitgtk: Memory corruption issue leading to arbitrary code execution",
    "id" : "2018573",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2018573"
  },
  "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"
  },
  "details" : [ "A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution." ],
  "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" : "2022-05-10T00:00:00Z",
    "advisory" : "RHSA-2022:1777",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "webkit2gtk3-0:2.34.6-1.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-2021-30851\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30851\nhttps://webkitgtk.org/security/WSA-2021-0006.html" ],
  "name" : "CVE-2021-30851",
  "csaw" : false
}