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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Satoki Tsuji as the original reporter.", "affected_release": [{"advisory": "RHSA-2022:6710", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:102.3.0-3.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6711", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:102.3.0-6.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6702", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:102.3.0-6.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6708", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:102.3.0-3.el8_6", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6703", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "firefox-0:102.3.0-6.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6716", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "thunderbird-0:102.3.0-3.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6707", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "firefox-0:102.3.0-6.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6715", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "thunderbird-0:102.3.0-3.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6701", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "firefox-0:102.3.0-6.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6713", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "thunderbird-0:102.3.0-3.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6700", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "firefox-0:102.3.0-6.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-09-26T00:00:00Z"}, {"advisory": "RHSA-2022:6717", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:102.3.0-3.el9_0", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-09-26T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Content-Security-Policy base-uri bypass", "id": "2128795", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2128795"}, "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-1021", "details": ["When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.", "A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that when injecting an HTML base element; some requests would ignore the CSP's base-uri settings and accept the injected element's base instead."], "name": "CVE-2022-40956", "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": "2022-09-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-40956\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-40956\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2022-41/#CVE-2022-40956"], "threat_severity": "Low"}