CVE-2026-45771

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{"affected": [{"affectedData": [{"product": "freeswitch", "vendor": "signalwire", "versions": [{"status": "affected", "version": "< 1.11.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB1371B3-3175-444B-B83A-B48D6CE8D760", "versionEndExcluding": "1.11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.0, FreeSWITCH's bundled XML parser expands nested <!ENTITY> declarations without a depth or count bound, so a small DTD can describe a body that expands exponentially (\"billion laughs\"). The PIDF body of a SIP PUBLISH is fed to this parser before any digest check, letting an unauthenticated network attacker force unbounded CPU and memory consumption with a single request. This issue has been patched in version 1.11.0."}, {"lang": "es", "value": "FreeSWITCH es una pila de telecomunicaciones definida por software que permite la transformaci\u00f3n digital desde conmutadores de telecomunicaciones propietarios a una implementaci\u00f3n de software que se ejecuta en cualquier hardware comercial. Antes de la versi\u00f3n 1.11.0, el analizador XML incluido de FreeSWITCH expande declaraciones <!ENTITY> anidadas sin un l\u00edmite de profundidad o recuento, por lo que un DTD peque\u00f1o puede describir un cuerpo que se expande exponencialmente ('billion laughs'). El cuerpo PIDF de un SIP PUBLISH se alimenta a este analizador antes de cualquier verificaci\u00f3n de digest, permitiendo a un atacante de red no autenticado forzar un consumo ilimitado de CPU y memoria con una \u00fanica solicitud. Este problema ha sido parcheado en la versi\u00f3n 1.11.0."}], "id": "CVE-2026-45771", "lastModified": "2026-07-20T20:10:00.110", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45771", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-09T18:24:02.924387Z", "version": "2.0.3"}}]}, "published": "2026-06-09T17:17:33.303", "references": [{"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.0"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-5vjg-pv56-vg4c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-776"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.11.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "freeswitch", "source": "cna", "vendor": "signalwire"}, "product": "freeswitch", "vendor": "signalwire"}], "created": "2026-06-09T17:45:10.156375+00:00", "updated": "2026-06-09T18:45:06.254808+00:00", "vendors": ["signalwire", "signalwire$PRODUCT$freeswitch"]}