NetSight
medium6.3

CVE-2026-116463

A vulnerability was identified in FastStone Image Viewer up to 8.5.

Impact

A vulnerability was identified in FastStone Image Viewer up to 8.5. Affected is the function FUN_0062d96c of the component Box-Average Downsampler Engine. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

ProductAffected versions
FastStone Image Viewer
before 8.5.

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References