CVE-2026-3389— Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference
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I. Basic Information for CVE-2026-3389
Vulnerability Information
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Vulnerability Title
Squirrel sqstdrex.cpp sqstd_rex_newnode null pointer dereference
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
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
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
SQUIRREL 代码问题漏洞
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及之前版本存在代码问题漏洞，该漏洞源于库sqstdlib/sqstdrex.cpp中函数sqstd_rex_newnode存在空指针取消引用。
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-2026-3389
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-03-01 · 5 CVEs total
| CVE-2026-3388 | 3.3 LOW | Squirrel sqcompiler.cpp UnaryOP recursion |
| 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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V. Comments for CVE-2026-3389
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