CVE-2026-116463

MEDIUM 6.3CVE-2026-116463 · Published 26/10/2026 · updated 02/11/2026

In short

CVE-2026-116463 is a MEDIUM (CVSS 6.3) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.23%, higher than 14.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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

vuldb.com/cve/CVE-2026-116463
vuldb.com/submit/1013651
vuldb.com/vuln/426360
vuldb.com/vuln/426360/cti

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