CVE-2026-3389CWE-404CWE-476

Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference

Medium · published March 1, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
9.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
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
EPSS
0.00198 · 9.1th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2026-03-01T10:02Z
EPSS history
Timeline
  • 01 MAR 10:02Z
    Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference
    cvelistv5