CVE-2015-1243

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vulnerability in the MutationObserver::disconnect function in core/dom/MutationObserver.cpp in the DOM implementation in Blink, as used in Google Chrome before 42.0.2311.135, allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering an attempt to unregister a MutationObserver object that is not currently registered."}, {"lang": "es", "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n en la funci\u00f3n MutationObserver::disconnect en core/dom/MutationObserver.cpp en la implementaci\u00f3n DOM en Blink, utilizado en Google Chrome anterior a 42.0.2311.135, permite a atacantes remotos causar una denegaci\u00f3n de servicio o posiblemente tener otro impacto no especificado mediante la provocaci\u00f3n de un intento a anular el registro de un objeto MutationObserver que no est\u00e1 registrado actualmente."}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/416.html\">CWE-416: Use After Free</a>", "id": "CVE-2015-1243", "lastModified": "2026-06-17T00:22:01.680", "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}]}, "published": "2015-05-01T10:59:05.043", "references": [{"source": "chrome-cve-admin@google.com", "url": "http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html"}, {"source": "chrome-cve-admin@google.com", "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00009.html"}, {"source": "chrome-cve-admin@google.com", "url": "http://rhn.redhat.com/errata/RHSA-2015-0921.html"}, {"source": "chrome-cve-admin@google.com", "url": "http://www.debian.org/security/2015/dsa-3242"}, {"source": "chrome-cve-admin@google.com", "url": "http://www.securityfocus.com/bid/74389"}, {"source": "chrome-cve-admin@google.com", "url": "http://www.securitytracker.com/id/1032234"}, {"source": "chrome-cve-admin@google.com", "url": "http://www.ubuntu.com/usn/USN-2582-1"}, {"source": "chrome-cve-admin@google.com", "url": "https://code.google.com/p/chromium/issues/detail?id=453279"}, {"source": "chrome-cve-admin@google.com", "url": "https://security.gentoo.org/glsa/201506-04"}, {"source": "chrome-cve-admin@google.com", "url": "https://src.chromium.org/viewvc/blink?revision=192655&view=revision"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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"vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2015:0921", "cpe": "cpe:/a:redhat:rhel_extras:6", "package": "chromium-browser-0:42.0.2311.135-1.el6_6", "product_name": "Supplementary for Red Hat Enterprise Linux 6", "release_date": "2015-04-30T00:00:00Z"}], "bugzilla": {"description": "chromium-browser: use-after-free in DOM", "id": "1216920", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1216920"}, "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 MutationObserver::disconnect function in core/dom/MutationObserver.cpp in the DOM implementation in Blink, as used in Google Chrome before 42.0.2311.135, allows remote attackers to cause a denial of service or possibly have unspecified other impact by triggering an attempt to unregister a MutationObserver object that is not currently registered."], "name": "CVE-2015-1243", "public_date": "2015-01-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-1243\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-1243\nhttp://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html"], "threat_severity": "Important"}

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