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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Atte Kettunen as the original reporter.", "affected_release": [{"advisory": "RHSA-2018:3831", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:60.4.0-1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-12-17T00:00:00Z"}, {"advisory": "RHSA-2019:0159", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:60.4.0-1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-01-24T00:00:00Z"}, {"advisory": "RHSA-2018:3833", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:60.4.0-1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-12-17T00:00:00Z"}, {"advisory": "RHSA-2019:0160", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:60.4.0-1.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-01-24T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Buffer overflow in accelerated 2D canvas with Skia", "id": "1658400", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1658400"}, "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"}, "cwe": "CWE-120", "details": ["A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64."], "name": "CVE-2018-18493", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-12-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-18493\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-18493\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2018-30/#CVE-2018-18493"], "statement": "In general, this flaw be exploited through email in the Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser or browser-like contexts.", "threat_severity": "Important"}