{"id":"CVE-2026-49472","state":"PUBLISHED","title":"FreeSWITCH includes a vulnerable function, PREFIX(prologTok)() from libexpat","description":"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 includes a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat. The function did not receive the corresponding security patch. This issue has been patched in version 1.11.0.","publishedAt":"2026-06-09T15:59:49.383Z","updatedAt":"2026-06-10T13:45:21.533Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["signalwire freeswitch"],"affected":[{"vendor":"signalwire","product":"freeswitch","versions":[{"version":"< 1.11.0","status":"affected"}]}],"references":["https://github.com/signalwire/freeswitch/security/advisories/GHSA-4jm3-xpcm-mwwq","https://github.com/signalwire/freeswitch/releases/tag/v1.11.0"],"weaknesses":["CWE-116"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/49xxx/CVE-2026-49472.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49472","state":"PUBLISHED","datePublished":"2026-06-09T15:59:49.383Z","dateUpdated":"2026-06-10T13:45:21.533Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-30T04:17:43.094Z"},"containers":{"cna":{"title":"FreeSWITCH includes a vulnerable function, PREFIX(prologTok)() from libexpat","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 includes a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat. The function did not receive the corresponding security patch. This issue has been patched in version 1.11.0."}],"affected":[{"vendor":"signalwire","product":"freeswitch","versions":[{"version":"< 1.11.0","status":"affected"}]}],"references":[{"url":"https://github.com/signalwire/freeswitch/security/advisories/GHSA-4jm3-xpcm-mwwq","name":"https://github.com/signalwire/freeswitch/security/advisories/GHSA-4jm3-xpcm-mwwq","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/signalwire/freeswitch/releases/tag/v1.11.0","name":"https://github.com/signalwire/freeswitch/releases/tag/v1.11.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-116","lang":"en","description":"CWE-116: Improper Encoding or Escaping of Output","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-09T15:59:49.383Z"},"source":{"advisory":"GHSA-4jm3-xpcm-mwwq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-10T13:45:02.631956Z","id":"CVE-2026-49472","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-10T13:45:21.533Z"}}]}}}