CVE-2019-9820

{"containers": {"cna": {"affected": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "60.7", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "67", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "60.7", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7."}], "problemTypes": [{"descriptions": [{"description": "Use-after-free of ChromeEventHandler by DocShell", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-07-23T13:23:31.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-13/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-15/"}, {"tags": ["x_refsource_MISC"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-14/"}, {"tags": ["x_refsource_MISC"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1536405"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2019-9820", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Thunderbird", "version": {"version_data": [{"version_affected": "<", "version_value": "60.7"}]}}, {"product_name": "Firefox", "version": {"version_data": [{"version_affected": "<", "version_value": "67"}]}}, {"product_name": "Firefox ESR", "version": {"version_data": [{"version_affected": "<", "version_value": "60.7"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Use-after-free of ChromeEventHandler by DocShell"}]}]}, "references": {"reference_data": [{"name": "https://www.mozilla.org/security/advisories/mfsa2019-13/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2019-13/"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2019-15/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2019-15/"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2019-14/", "refsource": "MISC", "url": "https://www.mozilla.org/security/advisories/mfsa2019-14/"}, {"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1536405", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1536405"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T22:01:54.677Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-13/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-15/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-14/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1536405"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2019-9820", "datePublished": "2019-07-23T13:23:31.000Z", "dateReserved": "2019-03-14T00:00:00.000Z", "dateUpdated": "2024-08-04T22:01:54.677Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "60.7", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "67", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "60.7", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "83DEE955-3E09-489F-BE40-2FD33EACF436", "versionEndExcluding": "67.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "matchCriteriaId": "0AE86A15-DB39-4AA7-992B-FEBC77C52CF3", "versionEndExcluding": "60.7", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "36C08191-FCDD-423D-997E-50E5ABEC0CDA", "versionEndExcluding": "60.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7."}, {"lang": "es", "value": "Puede ocurrir una vulnerabilidad de uso de la memoria previamente liberada en el controlador de eventos de Chrome cuando se libera mientras a\u00fan est\u00e1 en uso. Esto resulta en un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird anterior a versi\u00f3n 60.7, Firefox anterior a versi\u00f3n 67 y Firefox ESR anterior a versi\u00f3n 60.7."}], "id": "CVE-2019-9820", "lastModified": "2026-06-17T02:44:39.983", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-07-23T14:15:17.420", "references": [{"source": "security@mozilla.org", "tags": ["Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1536405"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-13/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-14/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-15/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1536405"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-13/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-14/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2019-15/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Nils as the original reporter.", "affected_release": [{"advisory": "RHSA-2019:1267", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:60.7.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-05-23T00:00:00Z"}, {"advisory": "RHSA-2019:1310", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:60.7.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-06-03T00:00:00Z"}, {"advisory": "RHSA-2019:1265", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:60.7.0-1.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-05-23T00:00:00Z"}, {"advisory": "RHSA-2019:1309", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:60.7.0-1.el7_6", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-06-03T00:00:00Z"}, {"advisory": "RHSA-2019:1269", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:60.7.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-05-23T00:00:00Z"}, {"advisory": "RHSA-2019:1308", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:60.7.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-06-03T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Use-after-free of ChromeEventHandler by DocShell", "id": "1712629", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1712629"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7."], "name": "CVE-2019-9820", "public_date": "2019-05-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-9820\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-9820\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2019-14/#CVE-2019-9820"], "statement": "In general, this flaw cannot be exploited through email in Thunderbird because scripting is disabled when reading mail, but it is potentially a risk in browser or browser-like contexts.", "threat_severity": "Important"}

{}