CVE-2026-2661

low-risk
Published 2026-02-18

A security flaw has been discovered in Squirrel up to 3.2. This affects the function SQObjectPtr::operator in the library squirrel/sqobject.h. The manipulation results in heap-based buffer overflow. The attack needs to be approached locally. 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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Squirrel

Affected Vendors

Squirrel-Lang

References (5)

Exploit https://github.com/albertodemichelis/squirrel/issues/310
Exploit https://github.com/oneafter/0122/blob/main/i310/repro
Permissions Required https://vuldb.com/?ctiid.346459
Third Party Advisory https://vuldb.com/?id.346459
Third Party Advisory https://vuldb.com/?submit.753165
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal