{
  "threat_severity" : "Moderate",
  "public_date" : "2021-12-20T00:00:00Z",
  "bugzilla" : {
    "description" : "webkitgtk: Logic issue leading to Content Security Policy bypass",
    "id" : "2034381",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2034381"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
    "status" : "verified"
  },
  "details" : [ "A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy.", "A logic issue was found in WebKitGTK. A specially crafted web content could use this flaw to bypass Content Security Policy bypass when processed." ],
  "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-2021-30887\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30887" ],
  "name" : "CVE-2021-30887",
  "csaw" : false
}