CVE Watch13 oct 2026

CVE-2026-107223

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.1.0 to 2.11.0, flatCols expands file-loaded c

CVSS

7.5

Alto

EPSS

0.3%

p27

KEV

—

Exploit Today

0-100

Publicado: 7 oct 2026 · Última mod.: 13 oct 2026 · CWE-789

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-10-082026-10-23

Descripción técnica

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.1.0 to 2.11.0, flatCols expands file-loaded column ranges without validating Min and Max against the worksheet column limit. SetColWidth reaches flatCols, which expands xlsxCol.Min through xlsxCol.Max without enforcing MaxColumns. When a crafted worksheet supplies an oversized col max attribute and the application invokes a column mutator, flatCols performs a deep copy and append for every attacker-selected column number, allowing an attacker to consume excessive CPU and memory or trigger OOM. No fixed version is available as of this review.

Referencias oficiales

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