CVE-2026-3664 — xlnt-community xlnt Encrypted XLSX File compound_document.cpp read_directory out-of-bounds
A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compound_document::read_directory of the file source/detail/cryptograph…
Published: 2026-03-07 · CVSS: 4.8 · CVSS 4.0
A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compound_document::read_directory of the file source/detail/cryptography/compound_document.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 147. Applying a patch is advised to resolve this issue.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7