EUVD-2026-39772
Heap-based Buffer Overflow (CWE-122)
GHSA-74rp-5fx4-84m7
6.5
CVSS 3.1 · Vendor: mitre
Share
Severity by source
Vendor (mitre)
PRIMARY
6.5
MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Lifecycle Timeline
1
CVE Published
Jun 26, 2026 - 15:16 cve.org
UNKNOWN (no severity yet)
DescriptionCVE.org
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.
Analysis
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.
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-122 – Heap-based Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).