FreeRDP from 3.9.0 before 3.32.0 RDPEAR NULL Pointer Dereference via KERB_RPC_INTERNAL_NAME

{
  "id": "4f198933b73a95fec7e2a0655e3a3ef5ffa28b64c819c68a5c6a8c9f31349f53",
  "url": "https://osv.dev/vulnerability/CVE-2026-109252",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "FreeRDP from 3.9.0 before 3.32.0 RDPEAR NULL Pointer Dereference via KERB_RPC_INTERNAL_NAME",
    "summary": "FreeRDP from 3.9.0 before 3.32.0 contains a NULL pointer dereference vulnerability in the RDPEAR NDR reader that allows malicious servers to crash clients via truncated KERB_RPC_INTERNAL_NAME data. Attackers can send a CreateApReqAuthenticatorReq with NameCount of two or more ending before the Names pointer, causing cleanup to dereference a null base and terminate the client.",
    "evidence": "osv:CVE-2026-109252",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-109252",
      "aliases": [
        "CVE-2026-109252",
        "GHSA-93g7-296p-j77j"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/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": "4ae5b6c25452211f01f370d3e6e481553e72778a"
                },
                {
                  "fixed": "d27a4f7c1c63b62a5e60e5d939ad116cfb58ffc1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.9.0"
                      },
                      {
                        "fixed": "3.32.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.9.0"
                      },
                      {
                        "fixed": "3.32.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109252.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:53.172474541Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109252.json",
        "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-93g7-296p-j77j",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-109252",
        "https://www.vulncheck.com/advisories/freerdp-from-3.9.0-before-3.32.0-rdpear-null-pointer-dereference-via-kerb-rpc-internal-name"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-476"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109252.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-109252",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 522164,
  "published_at": "2026-10-12T16:04:24.877+00:00"
}