CVE-2026-101203

MEDIUMCVSS 6.30% EPSS

A vulnerability has been found in FastStone Image Viewer up to 8.3. The impacted element is an unknown function of the component 1bpp RLE Decoder. The manipulation leads to out-of-bounds write. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Published 2026-09-28 · last modified 2026-09-28

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.