CVE-2021-26234
First published: Thu Mar 18 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FastStone Image Viewer | <=7.5 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
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.
- collector/nvd-index
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/type
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/tags
- agent/description
- collector/mitre-cve
- source/MITRE
- vendor/faststone
- canonical/faststone image viewer
- version/faststone image viewer/7.5