CVE-2015-2731

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contenidos."}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/416.html\">CWE-416: Use After Free</a>", "id": "CVE-2015-2731", "lastModified": "2026-06-17T00:24:38.427", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-07-06T02:01:02.110", "references": [{"source": "security@mozilla.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html"}, {"source": "security@mozilla.org", "url": 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{"acknowledgement": "Red Hat would like to thank Mozilla project for reporting this issue. Upstream acknowledges Herre as the original reporter.", "affected_release": [{"advisory": "RHSA-2015:1207", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:38.1.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2015-07-03T00:00:00Z"}, {"advisory": "RHSA-2015:1455", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "thunderbird-0:31.8.0-1.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2015-07-20T00:00:00Z"}, {"advisory": "RHSA-2015:1207", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:38.1.0-1.el6_6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-07-03T00:00:00Z"}, {"advisory": "RHSA-2015:1455", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:31.8.0-1.el6_6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-07-20T00:00:00Z"}, {"advisory": "RHSA-2015:1207", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:38.1.0-1.el7_1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-07-03T00:00:00Z"}, {"advisory": "RHSA-2015:1455", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:31.8.0-1.el7_1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-07-20T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Use-after-free in Content Policy due to microtask execution error (MFSA 2015-63)", "id": "1236953", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1236953"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-416", "details": ["Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy."], "name": "CVE-2015-2731", "public_date": "2015-07-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-2731\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-2731\nhttp://www.mozilla.org/security/announce/2015/mfsa2015-63.html"], "threat_severity": "Critical"}

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