CVE-2026-2661

LOW 3.3

Squirrel sqobject.h operator heap-based overflow

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-122 CWE-119
Vendor	n/a
Product	squirrel
Published	Feb 18, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Squirrel

3.0 3.1 3.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.346459 vuldb.com: https://vuldb.com/?ctiid.346459 vuldb.com: https://vuldb.com/?submit.753165 github.com: https://github.com/albertodemichelis/squirrel/issues/310 github.com: https://github.com/oneafter/0122/blob/main/i310/repro

Credits

🔍 Oneafter (VulDB User)