ZeroHour

CVE-2026-30040

CVSS 3.1
6.5 medium
EPSS
<1%p39
Published
()
Modified
Description

A heap overflow in the FSViewer.exe process of FastStone Image Viewer v8.3 allows attackers to cause a execute arbitrary code in the context of the current process via supplying a crafted JPEG 2000 (JP2) file.

Weakness
CWE-122
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

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