CVE-2016-6309

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:1.1.0a:*:*:*:*:*:*:*", "matchCriteriaId": "C9D7A18A-116B-4F68-BEA3-A4E9DDDA55C6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session."}, {"lang": "es", "value": "statem/statem.c en OpenSSL 1.1.0a no considera el movimiento de bloque de memoria despu\u00e9s de una llamada realloc, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n de memoria) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de una sesi\u00f3n TLS manipulada."}], "id": "CVE-2016-6309", "lastModified": "2026-06-17T00:50:48.293", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-09-26T19:59:06.393", "references": [{"source": "secalert@redhat.com", "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759"}, {"source": "secalert@redhat.com", "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21995039"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html"}, {"source": "secalert@redhat.com", "url": 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{"bugzilla": {"description": "openssl: Use After Free for large message sizes", "id": "1379302", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1379302"}, "csaw": false, "cvss": {"cvss_base_score": "9.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "status": "draft"}, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session."], "name": "CVE-2016-6309", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "openssl097a", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "openssl098e", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:5", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Application Platform 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:6", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Application Platform 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:1", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Web Server 1"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:2", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Web Server 2"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:3", "fix_state": "Not affected", "package_name": "openssl", "product_name": "Red Hat JBoss Enterprise Web Server 3"}], "public_date": "2016-09-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-6309\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-6309\nhttps://www.openssl.org/news/secadv/20160926.txt"], "statement": "This issue did not affect any Red Hat product as they do not yet include OpenSSL 1.1.0.", "threat_severity": "Critical"}

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