CVE-2026-101204

Medium

Description

A vulnerability was found in FastStone Image Viewer up to 8.3. This affects an unknown function of the file FSViewer.exe of the component TGA Image Handler. The manipulation results in out-of-bounds read. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

SeverityMedium

CVSS6.3

Exploit probability—

ProductFaststone Image Viewer

PublishedSep 28, 2026

First seenSep 28, 2026

Weakness typeCWE-125Out-of-bounds read CWE-119Memory buffer bounds error

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
faststone image_viewer	8.0, 8.1, 8.2, 8.3	—

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