{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "9.3.0"
              }
            ],
            "source": "DESCRIPTION"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b8ad25cc7e6316abe4406dab8aac080d5d53998a"
            }
          ],
          "repo": "https://github.com/onlyoffice/documentserver",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41034.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "9.3.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "fixed": "9.3.0"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.",
  "id": "CVE-2026-41034",
  "modified": "2026-08-12T03:51:17.644595355Z",
  "published": "2026-04-16T06:06:44.570Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41034.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41034"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}