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{"affected_release": [{"advisory": "RHSA-2020:4035", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "webkitgtk4-0:2.28.2-2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:4451", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "webkit2gtk3-0:2.28.4-1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}], "bugzilla": {"description": "webkitgtk: Use-after-free leading to arbitrary code execution", "id": "1986898", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1986898"}, "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-20", "details": ["A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.5.4. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..", "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 a use-after-free in the WebKit component. By persuading a victim to visit a specially crafted Web site, an attacker can execute arbitrary code on the system."], "name": "CVE-2021-30762", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "webkitgtk3", "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-2021-30762\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30762\nhttps://webkitgtk.org/security/WSA-2021-0004.html\nhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog"], "threat_severity": "Moderate", "upstream_fix": "webkitgtk 2.28.0"}