What is GHSA-74rp-5fx4-84m7?

GHSA-74rp-5fx4-84m7 is a security advisory published by GitHub Security Advisories with Medium severity. A heap overflow in the FSViewer.exe process of FastStone Image Viewer v8.3 allows attackers to...

Which CVE IDs does GHSA-74rp-5fx4-84m7 cover?

GHSA-74rp-5fx4-84m7 covers the following CVE IDs: CVE-2026-30040. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-74rp-5fx4-84m7?

GHSA-74rp-5fx4-84m7 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-74rp-5fx4-84m7MediumCVSS 6.5

A heap overflow in the FSViewer.exe process of FastStone Image Viewer v8.3 allows attackers to...

Vendor

GitHub Security Advisories

Published

June 26, 2026

Last Modified

June 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-30040 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-30040
https://kb.cert.org/vuls/id/936962
https://www.faststone.org/FSIVDownload.htm
https://github.com/advisories/GHSA-74rp-5fx4-84m7