{"containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "affected", "version": "< 83"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"status": "affected", "version": "< 78.5"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"status": "affected", "version": "< 78.5"}]}], "descriptions": [{"lang": "en", "value": "Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5."}], "problemTypes": [{"descriptions": [{"description": "Single-word search queries were also broadcast to local network", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-09T00:25:22", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663571"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-52/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-51/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "ID": "CVE-2020-26966", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Firefox", "version": {"version_data": [{"version_value": "< 83"}]}}, {"product_name": "Firefox ESR", "version": {"version_data": [{"version_value": "< 78.5"}]}}, {"product_name": "Thunderbird", "version": {"version_data": [{"version_value": "< 78.5"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Single-word search queries were also broadcast to local network"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663571", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663571"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2020-50/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2020-52/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2020-52/"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2020-51/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2020-51/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:03:23.079Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663571"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-52/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-51/"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2020-26966", "datePublished": "2020-12-09T00:25:22", "dateReserved": "2020-10-12T00:00:00", "dateUpdated": "2024-08-04T16:03:23.079Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "9385C808-43DD-4D02-B1A9-89A2E3986DF2", "versionEndExcluding": "83.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "matchCriteriaId": "36160ED9-05B8-4E38-8C67-49EE1738AF8B", "versionEndExcluding": "78.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "C169EC17-3490-437D-A36B-40C3DE316175", "versionEndExcluding": "78.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5."}, {"lang": "es", "value": "Una b\u00fasqueda de una sola palabra en la barra de direcciones caus\u00f3 que se enviara una petici\u00f3n mDNS en la red local buscando un nombre de host que constara de esa cadena;&#xa0;resultando en una filtraci\u00f3n de informaci\u00f3n. *Nota: este problema solo afect\u00f3 a los sistemas operativos Windows.&#xa0;Otros sistemas operativos no est\u00e1n afectados.*.&#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 83, Firefox ESR versiones anteriores a 78,5 y Thunderbird versiones anteriores a 78,5"}], "id": "CVE-2020-26966", "lastModified": "2024-11-21T05:20:35.680", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2020-12-09T01:15:13.580", "references": [{"source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663571"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-51/"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-52/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1663571"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-50/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-51/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2020-52/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "[email protected]", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges tiebuchen as the original reporter.", "bugzilla": {"description": "Mozilla: Single-word search queries were also broadcast to local network", "id": "1898740", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1898740"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-200", "details": ["Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5."], "name": "CVE-2020-26966", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2020-11-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-26966\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-26966\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2020-51/#CVE-2020-26966"], "threat_severity": "Low", "upstream_fix": "firefox 78.5"}