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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Ivan Fratric (Google Project Zero) as the original reporter.", "affected_release": [{"advisory": "RHSA-2017:1104", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:52.1.0-2.el6_9", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-04-20T00:00:00Z"}, {"advisory": "RHSA-2017:1201", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:52.1.0-1.el6_9", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-05-08T00:00:00Z"}, {"advisory": "RHSA-2017:1106", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:52.1.0-2.el7_3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-04-21T00:00:00Z"}, {"advisory": "RHSA-2017:1201", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:52.1.0-1.el7_3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-05-08T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Out-of-bounds read during glyph processing (MFSA 2017-11, MFSA 2017-12)", "id": "1443313", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1443313"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "status": "verified"}, "details": ["An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53."], "name": "CVE-2017-5447", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2017-04-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-5447\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-5447\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5447"], "threat_severity": "Important"}