CVE-2026-3463

CVSS v3 3.3 LOW
CVSS v2.0 1.7 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

1.7^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 3.1 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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.

References

Link	Resource
https://github.com/oneafter/0128/blob/main/xl2/repro
https://github.com/xlnt-community/xlnt/
https://github.com/xlnt-community/xlnt/issues/138
https://github.com/xlnt-community/xlnt/issues/138#issuecomment-3868381672
https://github.com/xlnt-community/xlnt/pull/147
https://vuldb.com/?ctiid.348530
https://vuldb.com/?id.348530
https://vuldb.com/?submit.764643

Configurations

No configuration.

History

03 Mar 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-03 12:16

Updated : 2026-03-03 21:52

NVD link : CVE-2026-3463

Mitre link : CVE-2026-3463

CVE.ORG link : CVE-2026-3463

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-122

Heap-based Buffer Overflow

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