CVE-2026-3463

3.3 LOW
Published: March 03, 2026 Modified: March 10, 2026
View on NVD

Description

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::binary_writer::append of the file source/detail/binary.hpp of the component Compound Document Parser. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. Patch name: 147. It is suggested to install a patch to address 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/138
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.348530
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.348530
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.764643
Source: cna@vuldb.com
Third Party Advisory VDB Entry

8 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