CVE-2026-3663
xlnt-community xlnt XLSX File compound_document.cpp xsgetn out-of-bounds
Summary
xlnt-community xlnt XLSX File compound_document.cpp xsgetn out-of-bounds
Original description
The description as published by the source.
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.
References
- advisory github.com
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- patch github.com
- report github.com
- report vuldb.com
- report github.com
- web github.com