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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Julian Hector as the original reporter.", "affected_release": [{"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"}], "bugzilla": {"description": "Mozilla: Sandbox escape allowing local file system read access (MFSA 2017-12)", "id": "1443297", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1443297"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "details": ["A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53."], "name": "CVE-2017-5456", "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": "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": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-04-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-5456\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-5456\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5456"], "threat_severity": "Important"}