CVE-2026-3389 MEDIUM

CVE-2026-3389: Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference

Vendor N/A
Product Squirrel
Weakness CWE-476
Published March 1, 2026
Last update March 2, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 1, 2026 CVE published
March 2, 2026 Record updated