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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:opalvoip:portable_tool_library:2.10.1:*:*:*:*:*:*:*", "matchCriteriaId": "31829F37-ECE5-46CF-B7D9-1D9CDE094607", "vulnerable": true}, {"criteria": "cpe:2.3:a:opalvoip:portable_tool_library:2.10.2:*:*:*:*:*:*:*", "matchCriteriaId": "4864CF35-4A44-43A7-A954-191F5FDA3856", "vulnerable": true}, {"criteria": "cpe:2.3:a:opalvoip:portable_tool_library:2.10.7:*:*:*:*:*:*:*", "matchCriteriaId": "F9BA5CE2-2473-4F31-8438-1D7FFECD5EB6", "vulnerable": true}, {"criteria": "cpe:2.3:a:opalvoip:portable_tool_library:2.10.9:*:*:*:*:*:*:*", "matchCriteriaId": "87CC24E3-5CC6-45CC-BC26-E9A0EE8FF923", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ekiga:ekiga:*:*:*:*:*:*:*:*", "matchCriteriaId": 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(tambi\u00e9n conocido como PTLib) anterior a 2.10.10, utilizado en Ekiga anterior a 4.0.1, no detecta debidamente recursi\u00f3n durante expansi\u00f3n de entidad, lo que permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumo de memoria y CPU) a trav\u00e9s de un documento PXML manipulado que contiene un n\u00famero grande de referencias de entidad anidadas, tambi\u00e9n conocido como 'ataque de un bill\u00f3n de risas.'"}], "id": "CVE-2013-1864", "lastModified": "2026-06-16T23:52:16.527", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-05-23T14:55:09.630", "references": [{"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html"}, {"source": "secalert@redhat.com", "url": "http://osvdb.org/91439"}, {"source": "secalert@redhat.com", "url": "http://seclists.org/oss-sec/2013/q1/674"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/52659"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "http://sourceforge.net/p/opalvoip/code/28856"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-available"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/58520"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/82885"}, {"source": "secalert@redhat.com", "url": "https://www.suse.com/support/update/announcement/2014/suse-su-20140237-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-March/099553.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/91439"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/oss-sec/2013/q1/674"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/52659"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "http://sourceforge.net/p/opalvoip/code/28856"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.ekiga.org/news/2013-02-21/ekiga-4.0.1-stable-available"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/58520"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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{"bugzilla": {"description": "ptlib: denial of service processing certain XML documents", "id": "922177", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=922177"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["The Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted PXML document containing a large number of nested entity references, aka a \"billion laughs attack.\""], "name": "CVE-2013-1864", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "pwlib", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "ptlib", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2013-01-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-1864\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-1864"], "threat_severity": "Low"}

{}