CVE-2021-26234: High severity faststone image viewer vulnerability
FastStone Image Viewer <= 7.5 is affected by a user mode write access violation at 0x00402d8a, triggered when a user opens or views a malformed CUR file that is mishandled by FSViewer.exe. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-26234?
CVE-2021-26234 is a vulnerability in FastStone Image Viewer, version 7.5 and below, that allows for a user mode write access violation.
What is the severity of CVE-2021-26234?
The severity of CVE-2021-26234 is high, with a CVSS score of 7.8.
How does CVE-2021-26234 affect FastStone Image Viewer?
CVE-2021-26234 affects FastStone Image Viewer version 7.5 and below by triggering a user mode write access violation when a user opens or views a malformed CUR file.
What are the potential impacts of CVE-2021-26234?
The potential impacts of CVE-2021-26234 include Denial of Service (DoS) and possible code execution.
Is there a fix available for CVE-2021-26234?
At the time of writing, there is no known fix or patch available for CVE-2021-26234. It is recommended to update to a newer version of FastStone Image Viewer when one becomes available.