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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Yaniv Frank (SophosLabs) as the original reporter.", "affected_release": [{"advisory": "RHSA-2019:0218", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:60.5.0-2.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-01-30T00:00:00Z"}, {"advisory": "RHSA-2019:0269", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:60.5.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-02-04T00:00:00Z"}, {"advisory": "RHSA-2019:0219", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:60.5.0-2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-01-30T00:00:00Z"}, {"advisory": "RHSA-2019:0270", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:60.5.0-1.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-02-04T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Use-after-free parsing HTML5 stream", "id": "1670631", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1670631"}, "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-416", "details": ["A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65."], "name": "CVE-2018-18500", "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": "2019-01-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-18500\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-18500\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2019-02/#CVE-2018-18500"], "threat_severity": "Critical"}