Out-of-bounds Read Affecting squirrel package, versions [,3.2)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.4% (60th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CONAN-SQUIRREL-10078334
  • published8 May 2025
  • disclosed29 Jul 2022
  • creditUnknown

Introduced: 29 Jul 2022

CVE-2021-41556  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade squirrel to version 3.2 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read via the core interpreter of sqclass.cpp, which may lead to Arbitrary Code Execution if a victim executes an attacker-controlled squirrel script.

CVSS Base Scores

version 3.1