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CVE-2026-9541— Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow

Quick assessment

Affected
n/a Squirrel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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Cnut File Handler组件中squirrel/sqobject.cpp文件的ReadObject函数操作不当，可能导致堆缓冲区溢出。

CVSS 5.3 · Medium EPSS 0.17% · P7

Affected Version Matrix 3

VendorProduct Version RangeStatus
n/a Squirrel 3.0 affected
3.1 affected
3.2 affected
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I. Basic Information for CVE-2026-9541

Vulnerability Information
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Vulnerability Title
Squirrel Cnut File sqobject.cpp ReadObject heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Squirrel up to 3.2. Impacted is the function ReadObject of the file squirrel/sqobject.cpp of the component Cnut File Handler. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
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Cnut File Handler组件中squirrel/sqobject.cpp文件的ReadObject函数操作不当，可能导致堆缓冲区溢出。
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 cpe:2.3:a:squirrel:squirrel:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9541

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III. Intelligence Information for CVE-2026-9541

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Proof of Concept for CVE-2026-9541 (2)

Same Patch Batch · n/a · 2026-05-26 · 31 CVEs total

CVE-2026-9496 7.5 HIGH pacote 安全漏洞
CVE-2026-9580 7.3 HIGH JeecgBoot selectDepart LoginController.selectDepart access control
CVE-2026-9495 7.3 HIGH @koa/router 安全漏洞
CVE-2026-9581 6.3 MEDIUM JeecgBoot add access control
CVE-2026-9579 6.3 MEDIUM JeecgBoot SysUser userEdit user.getUsername access control
CVE-2026-9568 5.0 MEDIUM ThingsBoard YAML provision getGatewayDockerComposeFile code injection
CVE-2026-9604 4.3 MEDIUM JeecgBoot AiragModelController access control
CVE-2026-9572 3.3 LOW GPAC MP4Box media.c Media_GetSample memory leak
CVE-2026-9567 3.3 LOW GPAC MP4Box isom_intern.c MergeFragment null pointer dereference
CVE-2026-48689 FastNetMon 缓冲区错误漏洞
CVE-2025-68711 AppLockZ - TrustedApp App Lock and Fingerprint Lock 安全漏洞
CVE-2025-68708 SailingLab AppLock 安全漏洞
CVE-2026-36239 PbootCMS 安全漏洞
CVE-2025-68710 Easyelife App Lock 安全漏洞
CVE-2025-68709 SailingLab AppLock 安全漏洞
CVE-2026-48685 FastNetMon 安全漏洞
CVE-2026-48694 FastNetMon 安全漏洞
CVE-2026-48695 FastNetMon 安全漏洞
CVE-2026-48696 FastNetMon 安全漏洞
CVE-2026-48697 FastNetMon 安全漏洞

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Squirrel
Same vendor: n/a
Same weakness: CWE-122

V. Comments for CVE-2026-9541

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