CVE-2026-41034 | THREATINT

Description

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.

PUBLISHED Reserved 2026-04-16 | Published 2026-04-16 | Updated 2026-04-16 | Assigner mitre

MEDIUM: 5.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Problem types

CWE-125 Out-of-bounds Read

Product status

Default status

unaffected

Any version before 9.3.0

affected

References

github.com/...OFFICE/DocumentServer/blob/master/CHANGELOG.md

cve.org (CVE-2026-41034)

nvd.nist.gov (CVE-2026-41034)

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