CVE-2026-3388— Squirrel sqcompiler.cpp UnaryOP recursion
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I. Basic Information for CVE-2026-3388
Vulnerability Information
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Vulnerability Title
Squirrel sqcompiler.cpp UnaryOP recursion
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Squirrel up to 3.2. This affects the function SQCompiler::Factor/SQCompiler::UnaryOP of the file squirrel/sqcompiler.cpp. Performing a manipulation results in uncontrolled recursion. The attack needs to be approached locally. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
SQUIRREL 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SQUIRREL是Alberto Demichelis开源的编程语言SQUIRREL 3.2稳定版。 Squirrel 3.2及之前版本存在安全漏洞，该漏洞源于文件squirrel/sqcompiler.cpp中函数存在不受控制的递归。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Squirrel | 3.0 | - |
II. Public POCs for CVE-2026-3388
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-03-01 · 5 CVEs total
| CVE-2026-3389 | 3.3 LOW | Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference |
| CVE-2026-3384 | 3.3 LOW | ChaiScript chaiscript_eval.hpp Function_Push_Pop recursion |
| CVE-2026-3383 | 3.3 LOW | ChaiScript boxed_number.hpp go divide by zero |
| CVE-2026-3382 | 3.3 LOW | ChaiScript boxed_number.hpp get_as memory corruption |
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Squirrel sqobject.h operator heap-based overflow - CVE-2026-2659
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V. Comments for CVE-2026-3388
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