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CVE-2026-107225 Details

Description

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.0 to 2.11.0, GetStyle's fill, border, and font extraction predicates check only upper bounds for attacker-controlled style-table indices. File.GetStyle relies on extractStyleCondFuncs predicates that allow negative FillID, BorderID, and FontID values to reach slice indexing. When a crafted styles.xml supplies a negative fillId, borderId, or fontId and the application reads the style, a negative identifier passes the upper-bound-only predicate and becomes a negative slice index, allowing an attacker to panic while reading cell styling. No fixed version is available as of this review.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/qax-os/excelize/commit/ae2113b410e51f6a141c396a59eda8c42b91bc22	[email protected]
https://github.com/qax-os/excelize/pull/2367	[email protected]
https://github.com/qax-os/excelize/security/advisories/GHSA-5h23-36rv-pm65	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-129	Improper Validation of Array Index	[email protected]
CWE-20	Improper Input Validation	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes