CVE-2026-3663

3.3 LOW
Published: March 07, 2026 Modified: March 10, 2026
View on NVD

Description

A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compound_document_istreambuf::xsgetn of the file source/detail/cryptography/compound_document.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit has been made public and could be used. The patch is named 147. It is recommended to apply a patch to fix this issue.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/xlnt-community/xlnt/
Source: cna@vuldb.com
Product
https://github.com/xlnt-community/xlnt/issues/139
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://github.com/xlnt-community/xlnt/pull/147
Source: cna@vuldb.com
Issue Tracking
https://vuldb.com/?ctiid.349552
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.349552
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.764644
Source: cna@vuldb.com
Third Party Advisory VDB Entry

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.3 / 10.0
EPSS (Exploit Probability)
0.0%
5th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

xlnt-community