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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FastStone | Image Viewer | 8.0, 8.1, 8.2, 8.3 | — |
References
- VDB-411012 | FastStone Image Viewer 1bpp RLE Decoder out-of-bounds write vdb-entry
- VDB-411012 | CTI Indicators (IOB, IOC) signature permissions-required
- CVE-2026-101203 | CVE Analysis and Report third-party-advisory
- Submit #907575 | FastStone Soft FastStone Image Viewer 8.3 Heap-based buffer overflow (out-of-bounds write) third-party-advisory