Zero-DayCVE-2026-3663CVSS 3.3

A vulnerability was found in xlnt-community xlnt up to 1.6.1. This issue affects the function...

GitHub Advisory Database · GitHub Security3/7/2026, 3:30:17 PM
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Summary

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.

Tags

#patch#exploit

Metadata

Article ID
#300038
Source
GitHub Advisory Database
Scraped At
3/7/2026, 6:11:07 PM
URL Hash
cb8fbd091d9346b8…