EUVD-2026-10173

A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsxconsumer::readofficedocument of the file source/detail/serialization/xlsxconsumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. Th...

CVE-2026-3665

A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsxconsumer::readofficedocument of the file source/detail/serialization/xlsxconsumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. Th...

EUVD-2026-10155

A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compounddocumentistreambuf::xsgetn of the file source/detail/cryptography/compounddocument.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. Th...

CVE-2026-3663

The CVE-2026-3663 issue affects xlnt-community xlnt up to 1.6.1, specifically the xlnt::detail::compound_document_istreambuf::xsgetn function in source/detail/cryptography/compound_document.cpp of the XLSX File Parser. A manipulation can trigger an out-of-bounds read, with local access required. ...

CVE-2026-3665: NULL Pointer Dereference

A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsxconsumer::readofficedocument of the file source/detail/serialization/xlsxconsumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. Th...

CVE-2026-3664: Out-of-bounds Read

A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compounddocument::readdirectory of the file source/detail/cryptography/compounddocument.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to out-of-bounds rea...

PT-2026-23859

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...

CVE-2026-3663: Out-of-bounds Read

A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function xlnt::detail::compounddocumentistreambuf::xsgetn of the file source/detail/cryptography/compounddocument.cpp of the component XLSX File Parser. Performing a manipulation results in out-of-bounds read. Th...

CVE-2026-2703: Off-by-one Error

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decodebase64 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...