CVE-2026-2703 | Teknoloji dünyasından en güncel haberleri ve güvenlikle ilgili gelişmeleri takip edin.

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decode_base64 of the file source/detail/cryptography/b…
Medium CVSS: 4.8

CVE-2026-2703

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decode_base64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This patch is called f2d7bf494e5c52706843cf7eb9892821bffb0734. Applying a patch is advised to resolve this issue.
Vendor
Xlnt-community
Product
Xlnt
CWE
CWE-189
Yayın Tarihi
2026-02-19 07:17:49
Güncelleme
2026-03-10 20:28:51
Source Identifier
cna@vuldb.com
KEV Date Added
-

Kategoriler

CWE-189 Xlnt MEDIUM Xlnt-community 2026

Referanslar

https://github.com/oneafter/0128/blob/main/xl1/repro https://github.com/xlnt-community/xlnt/ https://github.com/xlnt-community/xlnt/commit/f2d7bf494e5c52706843cf7eb9892821bffb0734 https://github.com/xlnt-community/xlnt/issues/137 https://vuldb.com/?ctiid.346649 https://vuldb.com/?id.346649 https://vuldb.com/?submit.754377