CVE-2026-116463 FastStone Image Viewer Box-Average Downsampler FUN_0062d96c out-of-bounds

A vulnerability was identified in FastStone Image Viewer up to 8.5. Affected is the function FUN0062d96c 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...