CVE-2026-3463

Katalog CVE

CVSS 7.8 · High EPSS 0,23%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada xlnt-community xlnt. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

3 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

EPSS (30 hari)

0,23% peluang dieksploitasi; lebih tinggi dari 12,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/xlnt-community/xlnt/issues/138 exploit · issue tracking · advisory vendor
• https://vuldb.com/?id.348530 advisory pihak ketiga · vdb entry
• https://vuldb.com/?submit.764643 advisory pihak ketiga · vdb entry
• https://github.com/oneafter/0128/blob/main/xl2/repro exploit
• https://github.com/xlnt-community/xlnt/ product
• https://github.com/xlnt-community/xlnt/issues/138#issuecomment-3868381672 issue tracking
• https://github.com/xlnt-community/xlnt/pull/147 issue tracking
• https://vuldb.com/?ctiid.348530 permissions required · vdb entry