CVE-2015-5229

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funci\u00f3n calloc en el paquete glibc en Red Hat Enterprise Linux (RHEL) 6.7 y 7.2 no inicializa adecuadamente \u00e1reas de memoria, lo que podr\u00eda permitir a atacantes dependientes de contexto provocar una denegaci\u00f3n de servicio (colgado o ca\u00edda) a trav\u00e9s de vectores no especificados."}], "id": "CVE-2015-5229", "lastModified": "2026-06-17T00:28:43.050", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-08T15:59:00.137", "references": [{"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-0176.html"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/84172"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1246713"}, {"source": "secalert@redhat.com", "tags": ["Vendor 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{"acknowledgement": "Red Hat would like to thank Jeff Layton for reporting this issue.", "affected_release": [{"advisory": "RHBA-2015:1465", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "glibc-0:2.12-1.166.el6_7.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2015-07-22T00:00:00Z"}, {"advisory": "RHSA-2016:0176", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "glibc-0:2.17-106.el7_2.4", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-02-16T00:00:00Z"}], "bugzilla": {"description": "glibc: calloc may return non-zero memory", "id": "1256285", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1256285"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The calloc function in the glibc package in Red Hat Enterprise Linux (RHEL) 6.7 and 7.2 does not properly initialize memory areas, which might allow context-dependent attackers to cause a denial of service (hang or crash) via unspecified vectors.", "It was discovered that the calloc implementation in glibc could return memory areas which contain non-zero bytes. This could result in unexpected application behavior such as hangs or crashes."], "name": "CVE-2015-5229", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2015-08-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-5229\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-5229"], "threat_severity": "Low"}

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