CVE-2026-3664

Affected product: xlnt-community xlnt (up to 1.6.1). Vulnerable component: xlnt::detail::compound_document::read_directory in source/detail/cryptography/compound_document.cpp of the Encrypted XLSX File Parser. Issue type: out-of-bounds read caused by manipulation, with local execution requirement...

CVE-2026-2703

CVE-2026-2703 affects the xlnt-community xlnt project up to version 1.6.1. The vulnerability resides in the function xlnt::detail::decode_base64 (source/detail/cryptography/base64.cpp) of the Encrypted XLSX File Parser and is caused by an off-by-one flaw introduced by manipulation. The issue requ...