CVE-2026-2661CWE-119CWE-122

Squirrel sqobject.h operator heap-based overflow

Medium · published February 18, 2026

CVSS v4.0
4.8
EPSS
0%
Percentile
16.0
In the wild
Unconfirmed
What it is

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.

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
0.00254 · 16.0th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-122 · Heap-based Buffer Overflow
Published
2026-02-18T19:02Z
EPSS history
Timeline
  • 18 FEB 19:02Z
    Squirrel sqobject.h operator heap-based overflow
    cvelistv5