CVE-2026-3389

low-risk

Published 2026-03-01

A vulnerability was determined in Squirrel up to 3.2. This vulnerability affects the function sqstd_rex_newnode in the library sqstdlib/sqstdrex.cpp. Executing a manipulation can lead to null pointer dereference. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

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/314

Exploit https://github.com/oneafter/0122/blob/main/i314/repro

Permissions Required https://vuldb.com/?ctiid.348275

Third Party Advisory https://vuldb.com/?id.348275

Third Party Advisory https://vuldb.com/?submit.761315

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low-risk

Severity 13/34 · Low

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal