Fiche vulnérabilité
CVE-2026-3663 : faille élevée xlnt-community xlnt (CVSS 7.1)
Description
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.
En bref
- Sévérité
- Élevée (CVSS 7.1)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 7 mars 2026
- Dernière mise à jour
- 17 juin 2026
Produits concernés
- xlnt-community xlnt