CVE-2026-101203
MEDIUM
NVD
CVSS Score
6.3
Severity
MEDIUM
Published
Sep 28, 2026
Vendor
unknown
Description
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.