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{"acknowledgement": "Red Hat would like to thank Mozilla project for reporting this issue. Upstream acknowledges Jeff Walden as the original reporter.", "bugzilla": {"description": "Mozilla: JavaScript immutable property enforcement can be bypassed (MFSA 2015-109)", "id": "1265775", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1265775"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "draft"}, "cwe": "CWE-250", "details": ["Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript code with chrome privileges, via a crafted web page that does not use ES5 APIs."], "name": "CVE-2015-4516", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2015-09-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-4516\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-4516\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2015-109/"], "threat_severity": "Important"}