{"api_version":"1","generated_at":"2026-07-23T21:41:57+00:00","cve":"CVE-2019-11740","urls":{"html":"https://cve.report/CVE-2019-11740","api":"https://cve.report/api/cve/CVE-2019-11740.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-11740","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-11740"},"summary":{"title":"CVE-2019-11740","description":"Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.","state":"PUBLIC","assigner":"security@mozilla.org","published_at":"2019-09-27 18:15:00","updated_at":"2022-03-31 17:49:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://security.gentoo.org/glsa/201911-07","name":"GLSA-201911-07","refsource":"GENTOO","tags":[],"title":"Mozilla Firefox: Multiple vulnerabilities (GLSA 201911-07) — Gentoo security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.mozilla.org/security/advisories/mfsa2019-25/","name":"https://www.mozilla.org/security/advisories/mfsa2019-25/","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Security vulnerabilities fixed in Firefox 69 — Mozilla","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.mozilla.org/security/advisories/mfsa2019-26/","name":"https://www.mozilla.org/security/advisories/mfsa2019-26/","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Security vulnerabilities fixed in Firefox ESR 68.1 — Mozilla","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160","name":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160","refsource":"MISC","tags":["Issue Tracking","Not Applicable","Vendor Advisory"],"title":"Bug List","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html","name":"openSUSE-SU-2019:2251","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2251-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4150-1/","name":"USN-4150-1","refsource":"UBUNTU","tags":[],"title":"USN-4150-1: Thunderbird vulnerabilities | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.mozilla.org/security/advisories/mfsa2019-30/","name":"https://www.mozilla.org/security/advisories/mfsa2019-30/","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Security vulnerabilities fixed in - Thunderbird 68.1 — Mozilla","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.mozilla.org/security/advisories/mfsa2019-27/","name":"https://www.mozilla.org/security/advisories/mfsa2019-27/","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Security vulnerabilities fixed in Firefox ESR 60.9 — Mozilla","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html","name":"openSUSE-SU-2019:2249","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2249-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.mozilla.org/security/advisories/mfsa2019-29/","name":"https://www.mozilla.org/security/advisories/mfsa2019-29/","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Security vulnerabilities fixed in - Thunderbird 60.9 — Mozilla","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html","name":"openSUSE-SU-2019:2260","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2260-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html","name":"openSUSE-SU-2019:2248","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2019:2248-1: important: Security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-11740","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11740","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"16.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"esm","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"18.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"lts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"19.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"firefox_esr","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"thunderbird","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"thunderbird","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"11740","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-11740","qid":"500921","title":"Alpine Linux Security Update for firefox-esr"},{"cve":"CVE-2019-11740","qid":"710116","title":"Gentoo Linux Mozilla Firefox Multiple vulnerabilities (GLSA 201911-07)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2019-11740","ASSIGNER":"security@mozilla.org","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Mozilla","product":{"product_data":[{"product_name":"Firefox","version":{"version_data":[{"version_value":"69","version_affected":"<"}]}},{"product_name":"Thunderbird","version":{"version_data":[{"version_value":"68.1","version_affected":"<"},{"version_value":"60.9","version_affected":"<"}]}},{"product_name":"Firefox ESR","version":{"version_data":[{"version_value":"60.9","version_affected":"<"},{"version_value":"68.1","version_affected":"<"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, and Firefox ESR 60.9"}]}]},"references":{"reference_data":[{"url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160","refsource":"MISC","name":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160"},{"refsource":"CONFIRM","name":"https://www.mozilla.org/security/advisories/mfsa2019-25/","url":"https://www.mozilla.org/security/advisories/mfsa2019-25/"},{"refsource":"CONFIRM","name":"https://www.mozilla.org/security/advisories/mfsa2019-27/","url":"https://www.mozilla.org/security/advisories/mfsa2019-27/"},{"refsource":"CONFIRM","name":"https://www.mozilla.org/security/advisories/mfsa2019-26/","url":"https://www.mozilla.org/security/advisories/mfsa2019-26/"},{"refsource":"CONFIRM","name":"https://www.mozilla.org/security/advisories/mfsa2019-29/","url":"https://www.mozilla.org/security/advisories/mfsa2019-29/"},{"refsource":"CONFIRM","name":"https://www.mozilla.org/security/advisories/mfsa2019-30/","url":"https://www.mozilla.org/security/advisories/mfsa2019-30/"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2248","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2249","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2251","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html"},{"refsource":"SUSE","name":"openSUSE-SU-2019:2260","url":"http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html"},{"refsource":"UBUNTU","name":"USN-4150-1","url":"https://usn.ubuntu.com/4150-1/"},{"refsource":"GENTOO","name":"GLSA-201911-07","url":"https://security.gentoo.org/glsa/201911-07"}]},"description":{"description_data":[{"lang":"eng","value":"Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1."}]}},"nvd":{"publishedDate":"2019-09-27 18:15:00","lastModifiedDate":"2022-03-31 17:49:00","problem_types":["CWE-787"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","versionEndExcluding":"69.0","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*","versionEndExcluding":"60.9.0","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*","versionStartIncluding":"68.0","versionEndExcluding":"68.1.0","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","versionEndExcluding":"60.9.0","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","versionStartIncluding":"68.0","versionEndExcluding":"68.1.0","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"11740","Ordinal":"150062","Title":"CVE-2019-11740","CVE":"CVE-2019-11740","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"11740","Ordinal":"1","NoteData":"Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"11740","Ordinal":"2","NoteData":"2019-09-27","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"11740","Ordinal":"3","NoteData":"2019-11-24","Type":"Other","Title":"Modified"}]}}}