CVE-2026-9541
Medium
Description
A security flaw has been discovered in Squirrel up to 3.2. Impacted is the function ReadObject of the file squirrel/sqobject.cpp of the component Cnut File Handler. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
SeverityMedium
CVSS5.3
Exploit probability—
ProductSquirrel
PublishedMay 26, 2026
First seenMay 26, 2026
Weakness typeCWE-122CWE-122CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| squirrel-lang squirrel | v ≤ 3.2 | — |
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