CVE-2026-3663 - xlnt-community xlnt XLSX File compound_document.cpp xsgetn out-of-bounds

CVE ID :CVE-2026-3663 Published : March 7, 2026, 2:32 p.m. | 43 minutes ago 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. Severity: 0.0 | NA Visit the link for more details, such as CVSS details, affected products, timeline, and more...