CVE-2019-11740

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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."}, {"lang": "es", "value": "Los desarrolladores de Mozilla y los miembros de la comunidad reportaron bugs de seguridad de la memoria presentes en Firefox versi\u00f3n 68, Firefox ESR versi\u00f3n 68 y Firefox 60.8. Algunos de estos errores mostraron evidencia de corrupci\u00f3n de memoria y presumimos que con suficiente esfuerzo algunos de estos podr\u00edan ser explotados para ejecutar c\u00f3digo arbitrario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 69, Thunderbird versiones anteriores a 68.1, Thunderbird versiones anteriores a 60.9, Firefox versiones anteriores a 60.9 y Firefox ESR versiones anteriores a 68.1."}], "id": "CVE-2019-11740", "lastModified": "2026-06-17T02:13:32.363", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Nathan Froyd and Tyson Smith as the original reporters.", "affected_release": [{"advisory": "RHSA-2019:2694", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:60.9.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHSA-2019:2807", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:60.9.0-1.el6_10", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2019-09-19T00:00:00Z"}, {"advisory": "RHSA-2019:2729", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:60.9.0-1.el7_7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-09-12T00:00:00Z"}, {"advisory": "RHSA-2019:2773", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:60.9.0-1.el7_7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-09-19T00:00:00Z"}, {"advisory": "RHSA-2019:2663", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:68.1.0-1.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-04T00:00:00Z"}, {"advisory": "RHSA-2019:2774", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:60.9.0-2.el8_0", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-09-16T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, Firefox ESR 60.9, Thunderbird 68.1, and Thunderbird 60.9", "id": "1748652", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1748652"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-120", "details": ["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."], "name": "CVE-2019-11740", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2019-09-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-11740\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-11740\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2019-27/#CVE-2019-11740"], "statement": "In general, this flaw cannot be exploited through email in Thunderbird because scripting is disabled when reading mail, but it may present a risk in browser-like contexts.", "threat_severity": "Important"}

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