CVE-2026-116463

medium

Description

A vulnerability was identified in FastStone Image Viewer up to 8.5. Affected is the function FUN_0062d96c of the component Box-Average Downsampler Engine. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

References

https://vuldb.com/vuln/426360/cti

https://vuldb.com/vuln/426360

https://vuldb.com/submit/1013651

https://vuldb.com/cve/CVE-2026-116463

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-110055

Details

Source: Mitre, NVD

Published: 2026-10-26

Updated: 2026-11-02

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 6.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00231