FastStone Image Viewer vulnerabilities
6 known CVE vulnerabilities in FastStone Image Viewer, translated and rated.
- CVE-2026-101205Medium
A vulnerability was determined in FastStone Image Viewer up to 8.3. This impacts an unknown function of the component PCX Decoder. This manipulation causes out-of-bounds read. The attack may be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- CVE-2026-101204Medium
A vulnerability was found in FastStone Image Viewer up to 8.3. This affects an unknown function of the file FSViewer.exe of the component TGA Image Handler. The manipulation results in out-of-bounds read. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- CVE-2026-101203Medium
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.
- CVE-2026-101202Medium
A flaw has been found in FastStone Image Viewer up to 8.3. The affected element is an unknown function of the component TGA Image Handler. Executing a manipulation can lead to out-of-bounds write. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- CVE-2017-8826High
FastStone Image Viewer 6.2 has a 'User Mode Write AV' issue, possibly related to the jpeg_mem_term function in jmemnobs.c in libjpeg. This issue can be triggered by a malformed JPEG file mishandled by FSViewer.exe.
- CVE-2017-8785High
FastStone Image Viewer 6.2 has a 'Data from Faulting Address may be used as a return value' issue. This issue can be triggered by a malformed JPEG 2000 file that is mishandled by FSViewer.exe.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

