{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.11.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "79e3f643ae0b22072471b262bee3aa44e94a7614"
            }
          ],
          "repo": "https://github.com/signalwire/freeswitch",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-4jm3-xpcm-mwwq"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-116"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49472.json"
  },
  "details": "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a vulnerable function, PREFIX(prologTok)(), in libs/xmlrpc-c/lib/expat/xmltok/xmltok_impl.c, which was cloned from an outdated and vulnerable version in libexpat/libexpat.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.",
  "id": "CVE-2026-49472",
  "modified": "2026-07-08T05:36:51.858559314Z",
  "published": "2026-06-09T15:59:49.383Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49472.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-4jm3-xpcm-mwwq"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49472"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "FreeSWITCH includes a vulnerable function, PREFIX(prologTok)() from libexpat"
}