Out-of-Bounds Read Vulnerability in FastStone Image Viewer by FastStone Soft
CVE-2026-101205

5.3MEDIUM

Key Information:

Vendor

Faststone

Status
Image Viewer
Vendor
CVE Published:
28 September 2026

What is CVE-2026-101205?

A vulnerability has been identified in FastStone Image Viewer, specifically affecting the PCX Decoder in versions up to 8.3. This vulnerability allows for out-of-bounds read operations, which could be exploited by an attacker to perform unauthorized actions remotely. Despite attempts to communicate with the vendor regarding this issue, there has been no response. Users of this software are urged to remain vigilant and consider applying necessary security measures to mitigate potential risks.

Affected Version(s)

Image Viewer 8.0

Image Viewer 8.1

Image Viewer 8.2

References

https://vuldb.com/vuln/411014
vdb-entry
https://vuldb.com/vuln/411014/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-101205
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

jonzab (VulDB User)
VulDB CNA Team
.