CVE-2026-2661Improper Restriction of Operations within the Bounds of a Memory Buffer in Squirrel

Severity
4.8MEDIUMNVD
EPSS
0.0%
top 98.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 18

Description

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.

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

Affected Packages3 packages

CVEListV5squirrel-lang/squirrel3.0, 3.1, 3.2+2

🔴Vulnerability Details

2
OSV
CVE-2026-2661: A security flaw has been discovered in Squirrel up to 32026-02-18
GHSA
GHSA-pppv-pc54-6j8r: A security flaw has been discovered in Squirrel up to 32026-02-18

📋Vendor Advisories

1
Debian
CVE-2026-2661: squirrel3 - A security flaw has been discovered in Squirrel up to 3.2. This affects the func...2026

🕵️Threat Intelligence

1
Wiz
CVE-2026-2661 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-2661 — Squirrel-lang Squirrel vulnerability | cvebase