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.
Medium · 6.5
CVE-2026-30040
EUVD-2026-39772GHSA-74rp-5fx4-84m7
A heap overflow in the FSViewer.exe process of FastStone Image Viewer v8.3 allows attackers to cause a execute arbitrary code in the contex…
Published Jun 26, 2026 · Updated Jun 26, 2026 · Assigned by mitre