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CVE-2026-59161

HIGH CVSS: 7.5 Published: 2026-07-10 Modified: 2026-07-16

Description

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. Prior to 2.11.0, the streaming worksheet reader used by Rows and GetRows does not enforce the TotalRows limit on the row r attribute, allowing a small XLSX file with a row number above 1048576 and no cell coordinate to make GetRows append empty rows up to the attacker-controlled index and consume excessive memory and CPU. This issue is fixed in version 2.11.0.

Affected Platforms

Excelize Excelize

Weakness Type

CWE-400, CWE-770

References