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memoria din\u00e1mica en la funci\u00f3n png_combine_row en libpng en versiones anteriores a 1.5.21 y 1.6.x en versiones anteriores a 1.6.16, cuando se ejecuta en sistemas de 64 bits, podr\u00eda permitir a atacantes dependientes del contexto ejecutar c\u00f3digo arbitrario a trav\u00e9s de una imagen PNG \"entrelazada muy ampliamente\"."}], "id": "CVE-2014-9495", "lastModified": "2025-06-09T16:15:24.410", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2015-01-10T19:59:00.047", "references": [{"source": "cve@mitre.org", "url": "http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html"}, {"source": "cve@mitre.org", "url": "http://secunia.com/advisories/62725"}, {"source": "cve@mitre.org", "url": "http://sourceforge.net/p/png-mng/mailman/message/33172831/"}, {"source": "cve@mitre.org", "url": "http://sourceforge.net/p/png-mng/mailman/message/33173461/"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2015/01/04/3"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2015/01/10/1"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2015/01/10/3"}, {"source": "cve@mitre.org", "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/71820"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1031444"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/HT206167"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/62725"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://sourceforge.net/p/png-mng/mailman/message/33172831/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://sourceforge.net/p/png-mng/mailman/message/33173461/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2015/01/04/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2015/01/10/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2015/01/10/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/71820"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1031444"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/HT206167"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-122"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "libpng: buffer overflow in png_combine_row", "id": "1179186", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1179186"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "draft"}, "details": ["Heap-based buffer overflow in the png_combine_row function in libpng before 1.5.21 and 1.6.x before 1.6.16, when running on 64-bit systems, might allow context-dependent attackers to execute arbitrary code via a \"very wide interlaced\" PNG image."], "name": "CVE-2014-9495", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "libpng", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libpng", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libpng", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libpng12", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2014-12-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-9495\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-9495"], "statement": "Not vulnerable. This issue does not affect the version of libpng as shipped with Red Hat Enterprise Linux 5, 6 and 7. For a more detailed explanation please refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1177327#c1", "threat_severity": "Moderate"}