EUVD-2026-23199

| CVE-2026-41034 MEDIUM
2026-04-16 mitre
Information Disclosure Buffer Overflow
5.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
patch_available
Apr 16, 2026 - 07:01 EUVD
Analysis Generated
Apr 16, 2026 - 06:40 vuln.today

DescriptionNVD

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.

AnalysisAI

ONLYOFFICE DocumentServer before 9.3.0 contains an untrusted pointer dereference vulnerability in XLS file processing that enables authenticated remote attackers to leak sensitive memory and bypass ASLR protections. The vulnerability affects XLS conversion workflows through multiple vectors including pictFmla.cbBufInCtlStm manipulation, allowing information disclosure without requiring user interaction. …

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EUVD-2026-23199 vulnerability details – vuln.today
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