Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Squirrel-Lang | Squirrel | <= 3.2 |
Related Weaknesses (CWE)
References
- https://github.com/albertodemichelis/squirrel/issues/327ExploitIssue TrackingMitigation
- https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-readobject-neg-len-oExploit
- https://vuldb.com/submit/814826ExploitThird Party AdvisoryVDB Entry
- https://vuldb.com/vuln/365602Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/365602/ctiPermissions RequiredVDB Entry
- https://github.com/albertodemichelis/squirrel/issues/327ExploitIssue TrackingMitigation
FAQ
What is CVE-2026-9541?
CVE-2026-9541 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 i...
How severe is CVE-2026-9541?
CVE-2026-9541 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-9541?
Check the references section above for vendor advisories and patch information. Affected products include: Squirrel-Lang Squirrel.