Vulnerability Intelligence Report
Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow
CVE-2026-9541
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.
No Active Exploit Signals
CVSS Base Score
4.8
MEDIUM
EPSS Probability:0.17%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| squirrel-lang | squirrel | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.170%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulDB · Researcher · Switzerland |
| Reserved | 2026-05-26T05:51:28 |
| Published | 2026-05-26T11:45:10 |
| Last Updated | 2026-05-26T15:18:15 |
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