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{"affected_release": [{"advisory": "RHSA-2021:4381", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "webkit2gtk3-0:2.32.3-2.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-09T00:00:00Z"}], "bugzilla": {"description": "webkitgtk: Integer overflow leading to arbitrary code execution", "id": "1986872", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1986872"}, "csaw": false, "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-190", "details": ["An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.", "A flaw was found in the webkitgtk package. Affected versions of this package could allow a remote attacker to execute arbitrary code on the system caused by an integer overflow in the WebKit component. An attacker can execute arbitrary code on the system by persuading a victim to visit a specially crafted Web site."], "name": "CVE-2021-30663", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk4", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-07-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-30663\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30663\nhttps://webkitgtk.org/security/WSA-2021-0004.html\nhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog"], "threat_severity": "Moderate", "upstream_fix": "webkitgtk 2.32.3"}