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[Suggested description] FastStone Image Viewer 6.2 has a User Mode Write AV at 0x00578dd8, triggered when the user opens a malformed JPEG file that is mishandled by FSViewer.exe. Attackers could exploit this issue for DoS (Access Violation) or possibly unspecified other impact.

[Vulnerability Type] Buffer Overflow

[Vendor of Product] FastStone

[Affected Product Code Base] FastStone Image Viewer - 6.5

[Affected Component] fsviewer.exe

[Attack Type] Local

[Impact Denial of Service] true

[Attack Vectors] the user must open a crafted jpg file

[Discoverer] Mostafa Soliman - SecureMisr