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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Yoav Weiss as the original reporter.", "affected_release": [{"advisory": "RHSA-2019:2694", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:60.9.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHSA-2019:2807", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:60.9.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-09-19T00:00:00Z"}, {"advisory": "RHSA-2019:2729", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:60.9.0-1.el7_7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHSA-2019:2773", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:60.9.0-1.el7_7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-09-19T00:00:00Z"}, {"advisory": "RHSA-2019:2663", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:68.1.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-04T00:00:00Z"}, {"advisory": "RHSA-2019:2774", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:60.9.0-2.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-16T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Cross-origin access to unload event attributes", "id": "1748654", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1748654"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-829", "details": ["Navigation events were not fully adhering to the W3C's \"Navigation-Timing Level 2\" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to only be same-origin. This resulted in potential cross-origin information exposure of history through timing side-channel attacks. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1."], "name": "CVE-2019-11743", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2019-09-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-11743\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-11743\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2019-27/#CVE-2019-11743"], "statement": "In general, this flaw cannot be exploited through email in Thunderbird because scripting is disabled when reading mail, but it may present a risk in browser-like contexts.", "threat_severity": "Moderate", "upstream_fix": "thunderbird 60.9, firefox 60.9, firefox 68.1"}