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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Ben Seri, Gregory Vishnepolsky, and Samy Kamkar as the original reporters.", "affected_release": [{"advisory": "RHSA-2021:0992", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:78.9.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-03-25T00:00:00Z"}, {"advisory": "RHSA-2021:0996", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:78.9.0-3.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-03-25T00:00:00Z"}, {"advisory": "RHSA-2021:0990", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:78.9.0-1.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-03-25T00:00:00Z"}, {"advisory": "RHSA-2021:0993", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:78.9.0-3.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-03-25T00:00:00Z"}, {"advisory": "RHSA-2021:0991", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "firefox-0:78.9.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-03-25T00:00:00Z"}, {"advisory": "RHSA-2021:0995", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "thunderbird-0:78.9.0-3.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-03-25T00:00:00Z"}, {"advisory": "RHSA-2021:0989", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "firefox-0:78.9.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-03-25T00:00:00Z"}, {"advisory": "RHSA-2021:0994", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "thunderbird-0:78.9.0-3.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-03-25T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Internal network hosts could have been probed by a malicious webpage", "id": "1942785", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1942785"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9."], "name": "CVE-2021-23982", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2021-03-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-23982\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-23982\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2021-11/#CVE-2021-23982"], "threat_severity": "Moderate"}