{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116787", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-26T21:53:35.167Z", "datePublished": "2026-11-05T19:24:15.968Z", "dateUpdated": "2026-11-05T19:24:15.968Z"}, "containers": {"cna": {"title": "FreeSWITCH: Pre-authentication process termination in the Event Socket via an unbounded Content-Length", "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "lang": "en", "description": "CWE-190: Integer Overflow or Wraparound", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-789", "lang": "en", "description": "CWE-789: Memory Allocation with Excessive Size Value", "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-j27c-m99r-8pc3", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-j27c-m99r-8pc3"}, {"name": "https://github.com/signalwire/freeswitch/commit/a097e124213c164845dcaaa8feed2e70bc1e7191", "tags": ["x_refsource_MISC"], "url": "https://github.com/signalwire/freeswitch/commit/a097e124213c164845dcaaa8feed2e70bc1e7191"}, {"name": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.2"}], "affected": [{"vendor": "signalwire", "product": "freeswitch", "versions": [{"version": "< 1.11.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T19:24:15.968Z"}, "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 1.11.2, mod_event_socket used an unauthenticated Content-Length value directly as the allocation size for an Event Socket message body. Negative or extremely large values could overflow the terminator calculation or force an allocation failure through a helper that aborts the FreeSWITCH process. The header is parsed before the Event Socket password, so any host admitted by apply-inbound-acl can trigger termination with its first packet; the default loopback ACL limits ordinary installations to local clients. The outbound socket dialplan path is also affected when FreeSWITCH connects to a hostile application server, and process termination drops every active call until the service is restarted. This issue is fixed in version 1.11.2."}], "source": {"advisory": "GHSA-j27c-m99r-8pc3", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "freeswitch", "vendor": "signalwire", "versions": [{"status": "affected", "version": "< 1.11.2"}]}], "source": "security-advisories@github.com"}], "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 1.11.2, mod_event_socket used an unauthenticated Content-Length value directly as the allocation size for an Event Socket message body. Negative or extremely large values could overflow the terminator calculation or force an allocation failure through a helper that aborts the FreeSWITCH process. The header is parsed before the Event Socket password, so any host admitted by apply-inbound-acl can trigger termination with its first packet; the default loopback ACL limits ordinary installations to local clients. The outbound socket dialplan path is also affected when FreeSWITCH connects to a hostile application server, and process termination drops every active call until the service is restarted. This issue is fixed in version 1.11.2."}], "id": "CVE-2026-116787", "lastModified": "2026-11-05T20:17:46.073", "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": "2026-11-05T20:17:46.073", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/signalwire/freeswitch/commit/a097e124213c164845dcaaa8feed2e70bc1e7191"}, {"source": "security-advisories@github.com", "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-j27c-m99r-8pc3"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}, {"lang": "en", "value": "CWE-789"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}