← Back to CVEs
CVE-2026-3463
LOW3.3
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.
CVE Details
CVSS v3.1 Score3.3
SeverityLOW
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
Published3/3/2026
Last Modified3/10/2026
Sourcenvd
Honeypot Sightings0
Affected Products
xlnt-community:xlnt
Weaknesses (CWE)
CWE-119CWE-122
References
https://github.com/oneafter/0128/blob/main/xl2/repro(cna@vuldb.com)
https://github.com/xlnt-community/xlnt/(cna@vuldb.com)
https://github.com/xlnt-community/xlnt/issues/138(cna@vuldb.com)
https://github.com/xlnt-community/xlnt/pull/147(cna@vuldb.com)
https://vuldb.com/?ctiid.348530(cna@vuldb.com)
https://vuldb.com/?id.348530(cna@vuldb.com)
https://vuldb.com/?submit.764643(cna@vuldb.com)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.