CVE-2021-26235 is a user mode write access violation vulnerability affecting FastStone Image Viewer versions up to and including 7.5. It is triggered when a user opens a specially crafted CUR file, causing FSViewer.exe to mishandle the file. This vulnerability has a CVSS score of 7.8 (High), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to a Denial of Service or arbitrary code execution. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 7.5CPE matchmatch criteria | cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.