FreeRDP 3.0.0-beta1 before 3.32.0 Reachable Assertion via Emulated SCardStatusA

{
  "id": "dfc502117ef75d629b2adf1a8d1f3401d7446e6da443a3f0395d2bb80b7de344",
  "url": "https://osv.dev/vulnerability/CVE-2026-109678",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FreeRDP 3.0.0-beta1 before 3.32.0 Reachable Assertion via Emulated SCardStatusA",
    "summary": "FreeRDP 3.0.0-beta1 before 3.32.0, when built with verbose WinPR assertions and using smartcard emulation, has a reachable assertion: the emulated SCardStatusA passes a NULL reader-name destination to scard_copy_strings. A malicious RDP server can send an SCardStatusA request with fmszReaderNamesIsNULL=1 to abort a connecting client.",
    "evidence": "osv:CVE-2026-109678",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-109678",
      "aliases": [
        "CVE-2026-109678",
        "GHSA-996j-34w6-5hgm"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/freerdp/freerdp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f468a06d88c55b9ed484757326a9528cf27d33f4"
                },
                {
                  "fixed": "d27a4f7c1c63b62a5e60e5d939ad116cfb58ffc1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.0.0-beta1"
                      },
                      {
                        "fixed": "3.32.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.32.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.5.1",
            "3.5.0",
            "3.4.0",
            "3.3.0",
            "3.2.0",
            "3.1.0",
            "3.0.0",
            "3.0.0-rc0",
            "3.0.0-beta4",
            "3.0.0-beta3",
            "3.0.0-beta2",
            "3.0.0-beta1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109678.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.683235323Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109678.json",
        "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-996j-34w6-5hgm",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-109678",
        "https://www.vulncheck.com/advisories/freerdp-3.0.0-beta1-before-3.32.0-reachable-assertion-via-emulated-scardstatusa"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-617"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109678.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-109678",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490244,
  "published_at": "2026-10-13T13:27:06.92+00:00"
}