{ "data_version": "4.0", "references": { "reference_data": [ { "url": "https://www.mozilla.org/security/advisories/mfsa2019-07/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2019-07/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2019-08/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2019-08/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2019-11/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2019-11/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1527717", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1527717" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application when given a matching URL on Windows operating systems. This should only happen if the program has specifically registered itself as a \"URL Handler\" in the Windows registry. *Note: This issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66." } ] }, "data_type": "CVE", "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "version": { "version_data": [ { "version_affected": "<", "version_value": "60.6" } ] }, "product_name": "Thunderbird" }, { "version": { "version_data": [ { "version_affected": "<", "version_value": "60.6" } ] }, "product_name": "Firefox ESR" }, { "version": { "version_data": [ { "version_affected": "<", "version_value": "66" } ] }, "product_name": "Firefox" } ] }, "vendor_name": "Mozilla" } ] } }, "CVE_data_meta": { "ID": "CVE-2019-9801", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "data_format": "MITRE", "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Windows programs that are not 'URL Handlers' are exposed to web content" } ] } ] } }