{"id":"CVE-2026-41034","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.","modified":"2026-08-12T03:51:17.644595355Z","published":"2026-04-16T06:06:44.570Z","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"}]},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/onlyoffice/documentserver","events":[{"introduced":"0"},{"fixed":"b8ad25cc7e6316abe4406dab8aac080d5d53998a"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"9.3.0"}],"source":"DESCRIPTION"}}],"versions":["v9.2.1","v9.2.0","v9.1.0","v9.0.4","v9.0.3","v9.0.2","v9.0.0","v8.3.3","v8.3.2","v8.3.1","v8.3.0","v8.2.2","v8.2.1","v8.2.0","v8.1.3","v8.1.1","v8.1.0","v8.0.1","v8.0.0","v7.5.1","v7.5.0","v7.4.1","v7.4.0","v7.3.3","v7.3.2","v7.3.0","v7.2.2","v7.2.1","v7.2.0","v7.1.1","v7.1.0","v7.0.1","v7.0.0","v6.4.2","v6.4.1","v6.4.0","v6.3.2","v6.3.1","v6.3.0","v6.2.2","v6.2.1","v6.2.0","v6.1.1","v6.1.0","ONLYOFFICE-DocumentServer-6.0.2","ONLYOFFICE-DocumentServer-6.0.1","ONLYOFFICE-DocumentServer-6.0.0","ONLYOFFICE-DocumentServer-5.6.5","ONLYOFFICE-DocumentServer-5.6.4","ONLYOFFICE-DocumentServer-5.6.3","ONLYOFFICE-DocumentServer-5.6.2","ONLYOFFICE-DocumentServer-5.6.1","ONLYOFFICE-DocumentServer-5.6.0","ONLYOFFICE-DocumentServer-5.5.3","ONLYOFFICE-DocumentServer-5.5.1","ONLYOFFICE-DocumentServer-5.5.0","ONLYOFFICE-DocumentServer-5.4.2","ONLYOFFICE-DocumentServer-5.4.1","ONLYOFFICE-DocumentServer-5.4.0-2","ONLYOFFICE-DocumentServer-5.3.4","ONLYOFFICE-DocumentServer-5.3.2","ONLYOFFICE-DocumentServer-5.3.1","ONLYOFFICE-DocumentServer-5.3.0","ONLYOFFICE-DocumentServer-5.2.8","ONLYOFFICE-DocumentServer-5.2.7","ONLYOFFICE-DocumentServer-5.2.6","ONLYOFFICE-DocumentServer-5.2.4","ONLYOFFICE-DocumentServer-5.2.3","ONLYOFFICE-DocumentServer-5.2.2","ONLYOFFICE-DocumentServer-5.2.0","ONLYOFFICE-DocumentServer-5.1.5","ONLYOFFICE-DocumentServer-5.1.4","ONLYOFFICE-DocumentServer-5.1.3","ONLYOFFICE-DocumentServer-5.1.2","ONLYOFFICE-DocumentServer-5.1.1","ONLYOFFICE-DocumentServer-5.1.0","ONLYOFFICE-DocumentServer-5.0.7","ONLYOFFICE-DocumentServer-5.0.6","ONLYOFFICE-DocumentServer-5.0.5","ONLYOFFICE-DocumentServer-5.0.4","ONLYOFFICE-DocumentServer-5.0.3","ONLYOFFICE-DocumentServer-4.4.3","ONLYOFFICE-DocumentServer-4.4.2","ONLYOFFICE-DocumentServer-4.4.1","ONLYOFFICE-DocumentServer-4.3.6","ONLYOFFICE-DocumentServer-4.3.5","ONLYOFFICE-DocumentServer-4.3.4","ONLYOFFICE-DocumentServer-4.3.3","ONLYOFFICE-DocumentServer-4.3.2","ONLYOFFICE-DocumentServer-4.3.1","ONLYOFFICE-DocumentServer-4.3.0","ONLYOFFICE-DocumentServer-4.2.11","ONLYOFFICE-DocumentServer-4.2.10","ONLYOFFICE-DocumentServer-4.2.9","ONLYOFFICE-DocumentServer-4.0.0-9","ONLYOFFICE-DocumentServer-4.2.8","ONLYOFFICE-DocumentServer-4.2.7","ONLYOFFICE-DocumentServer-4.2.5","ONLYOFFICE-DocumentServer-4.2.4","ONLYOFFICE-DocumentServer-4.2.3","ONLYOFFICE-DocumentServer-4.2.1","ONLYOFFICE-DocumentServer-4.2.0","ONLYOFFICE-DocumentServer-4.1.8-1","ONLYOFFICE-DocumentServer-4.1.6-3","ONLYOFFICE-DocumentServer-4.1.5-1","ONLYOFFICE-DocumentServer-4.1.4-3","ONLYOFFICE-DocumentServer-4.1.2-37","ONLYOFFICE-DocumentServer-4.0.3-3","ONLYOFFICE-DocumentServer-4.0.2-4","ONLYOFFICE-DocumentServer-4.0.1-34","ONLYOFFICE-DocumentServer-3.0.0","ONLYOFFICE-Online-Editors-2.5.7","ONLYOFFICE-Online-Editors-2.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-41034.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N"}]}