Out-of-Bound Read in libxrdp

{
  "id": "b994e61d6ef1d34a35d4b5e397cab761d63c9acce12b081d2fefe63e4d55ea27",
  "url": "https://osv.dev/vulnerability/CVE-2022-23483",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Out-of-Bound Read in libxrdp",
    "summary": "xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Out of Bound Read in libxrdp_send_to_channel() function. There are no known workarounds for this issue. Users are advised to upgrade.",
    "evidence": "osv:CVE-2022-23483",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-23483",
      "aliases": [
        "CVE-2022-23483",
        "GHSA-38rw-9ch2-fcxq"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/neutrinolabs/xrdp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "83a4d55b144693eef7ba71314d99c875d3169e06"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.9.21"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:neutrinolabs:xrdp:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.9.21"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.9.20",
            "v0.9.19",
            "v0.9.18.1",
            "v0.9.13.1",
            "v0.9.3.1",
            "v0.9.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-23483.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.639379941Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23483.json",
        "https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-38rw-9ch2-fcxq",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-23483",
        "https://www.debian.org/security/2023/dsa-5502"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-125"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23483.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-23483",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499436,
  "published_at": "2022-12-09T17:50:52.518+00:00"
}