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{"affected_release": [{"advisory": "RHSA-2017:2000", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "fltk-0:1.3.4-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}, {"advisory": "RHSA-2017:2000", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "tigervnc-0:1.8.0-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-01T00:00:00Z"}], "bugzilla": {"description": "tigervnc: Double free via crafted fences", "id": "1438697", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1438697"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.", "A double free flaw was found in the way TigerVNC handled ClientFence messages. A remote, authenticated attacker could use this flaw to make Xvnc crash by sending specially crafted ClientFence messages, resulting in denial of service."], "name": "CVE-2017-7393", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "tigervnc", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2017-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7393\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7393"], "threat_severity": "Moderate"}