{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45771", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-13T07:45:21.251Z", "datePublished": "2026-06-09T15:51:49.484Z", "dateUpdated": "2026-06-09T18:24:19.380Z"}, "containers": {"cna": {"title": "Freeswitch Denial-of-Service in SIP PUBLISH Requests via XML Entity Expansion", "problemTypes": [{"descriptions": [{"cweId": "CWE-776", "lang": "en", "description": "CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-5vjg-pv56-vg4c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-5vjg-pv56-vg4c"}, {"name": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.0"}], "affected": [{"vendor": "signalwire", "product": "freeswitch", "versions": [{"version": "< 1.11.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-09T15:51:49.484Z"}, "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."}], "source": {"advisory": "GHSA-5vjg-pv56-vg4c", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-09T18:24:02.924387Z", "id": "CVE-2026-45771", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T18:24:19.380Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45771", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-13T07:45:21.251Z", "datePublished": "2026-06-09T15:51:49.484Z", "dateUpdated": "2026-06-09T18:24:19.380Z"}, "containers": {"cna": {"title": "Freeswitch Denial-of-Service in SIP PUBLISH Requests via XML Entity Expansion", "problemTypes": [{"descriptions": [{"cweId": "CWE-776", "lang": "en", "description": "CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-5vjg-pv56-vg4c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-5vjg-pv56-vg4c"}, {"name": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.0"}], "affected": [{"vendor": "signalwire", "product": "freeswitch", "versions": [{"version": "< 1.11.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-09T15:51:49.484Z"}, "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."}], "source": {"advisory": "GHSA-5vjg-pv56-vg4c", "discovery": "UNKNOWN"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-45771", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-09T18:24:02.924387Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-09T18:24:11.618Z"}}]}}

{"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."}], "id": "CVE-2026-45771", "lastModified": "2026-06-10T15:04:37.370", "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"}]}, "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": "Primary"}]}

{}

{"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"]}