Vulnerability DatabaseCVE-2026-41034
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CVE-2026-41034
Published:April 16, 2026
Updated:May 18, 2026
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.
Affected Packages
https://github.com/ONLYOFFICE/DocumentServer.git (GITHUB):
Affected version(s) >=v6.1.0 <v9.3.0
Fix Suggestion:
Update to version v9.3.0
Related Resources (1)
https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.01