CVE-2026-3663

Katalog CVE

CVSS 7.1 · High EPSS 0,20%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada xlnt-community xlnt. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

7 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,20% peluang dieksploitasi; lebih tinggi dari 9,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/xlnt-community/xlnt/issues/139 exploit · issue tracking · advisory vendor
• https://vuldb.com/?id.349552 advisory pihak ketiga · vdb entry
• https://vuldb.com/?submit.764644 advisory pihak ketiga · vdb entry
• https://github.com/oneafter/0128/blob/main/xl3/repro exploit
• https://github.com/xlnt-community/xlnt/ product
• https://github.com/xlnt-community/xlnt/pull/147 issue tracking
• https://vuldb.com/?ctiid.349552 permissions required · vdb entry