CVE-2014-6272

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evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later."}, {"lang": "es", "value": "Vulnerabilidad de desbordamientos de entero m\u00faltiple en la API evbuffer en Libevent 1.4.x en versiones anteriores a 1.4.15, 2.0.x en versiones anteriores a 2.0.22 y 2.1.x en versiones anteriores a 2.1.5-beta, permite a atacantes dependientes del contexto causar una denegaci\u00f3n de servicio o posiblemente tener otro impacto no especificado a trav\u00e9s de 'entradas incre\u00edblemente grandes' en la funci\u00f3n (1) evbuffer_add, (2) evbuffer_expand o (3) bufferevent_write, lo que desencadena un desbordamiento de buffer basado en memoria din\u00e1mica o un bucle infinito. NOTA: este identificador ha sido SEPARADO por ADT3 debido a diferentes versiones afectadas. Ver CVE-2015-6525 para las funciones que solo son afectadas en la versi\u00f3n 2.0 y anteriores."}], "id": "CVE-2014-6272", "lastModified": "2026-06-17T00:12:48.960", "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": "2015-08-24T14:59:01.353", "references": [{"source": "security@debian.org", "tags": ["Vendor Advisory"], "url": "http://archives.seul.org/libevent/users/Jan-2015/msg00010.html"}, {"source": "security@debian.org", "url": "http://www.debian.org/security/2015/dsa-3119"}, {"source": "security@debian.org", "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.366317"}, {"source": "security@debian.org", "url": "https://puppet.com/security/cve/CVE-2014-6272"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://archives.seul.org/libevent/users/Jan-2015/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2015/dsa-3119"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.366317"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://puppet.com/security/cve/CVE-2014-6272"}], "sourceIdentifier": "security@debian.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Nick Mathewson (Libevent upstream) for reporting this issue. Upstream acknowledges Andrew Bartlett (Catalyst) as the original reporter.", "bugzilla": {"description": "libevent: potential heap overflow in buffer/bufferevent APIs", "id": "1144646", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1144646"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "draft"}, "cwe": "CWE-190->(CWE-122|CWE-835)", "details": ["Multiple integer overflows in the evbuffer API in Libevent 1.4.x before 1.4.15, 2.0.x before 2.0.22, and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via \"insanely large inputs\" to the (1) evbuffer_add, (2) evbuffer_expand, or (3) bufferevent_write function, which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier has been SPLIT per ADT3 due to different affected versions. See CVE-2015-6525 for the functions that are only affected in 2.0 and later."], "name": "CVE-2014-6272", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "nfs-utils", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "package_name": "openmpi", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "libevent", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "openmpi", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "chromium-browser", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "libevent", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openmpi", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "libevent", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openmpi", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2015-01-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-6272\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-6272"], "threat_severity": "Moderate"}

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