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{"acknowledgement": "Red Hat would like to thank Mozilla project for reporting this issue. Upstream acknowledges Bas Venis as the original reporter.", "affected_release": [{"advisory": "RHSA-2015:1693", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:38.2.1-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2015-08-27T00:00:00Z"}, {"advisory": "RHSA-2015:1693", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:38.2.1-1.el6_7", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-08-27T00:00:00Z"}, {"advisory": "RHSA-2015:1693", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:38.2.1-1.ael7b_1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-08-27T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Add-on notification bypass through data URLs (MFSA 2015-95)", "id": "1257278", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1257278"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "verified"}, "details": ["The add-on installation feature in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to bypass an intended user-confirmation requirement by constructing a crafted data: URL and triggering navigation to an arbitrary http: or https: URL at a certain early point in the installation process.", "A flaw was found in the way Firefox handled installation of add-ons. An attacker could use this flaw to bypass the add-on installation prompt, and trick the user into installing an add-on from a malicious source."], "name": "CVE-2015-4498", "public_date": "2015-08-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-4498\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-4498\nhttps://www.mozilla.org/security/announce/2015/mfsa2015-95.html"], "threat_severity": "Important"}