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CVE-2025-52938— Potential heap-based buffer over-read vulnerability in NotepadNext

Quick assessment

Affected
dail8859 NotepadNext
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.

Notepad Next是dail8859个人开发者的一个记事本软件。 Notepad Next v0.11及之前版本存在缓冲区错误漏洞，该漏洞源于lparser.C文件存在越界读取，可能导致堆缓冲区过度读取。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-52938

Vulnerability Information
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Vulnerability Title
Potential heap-based buffer over-read vulnerability in NotepadNext
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds Read vulnerability in dail8859 NotepadNext (src/lua/src modules). This vulnerability is associated with program files lparser.C. This issue affects NotepadNext: through v0.11. The singlevar() in lparser.c lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/S:N/AU:Y/R:A/V:D/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Notepad Next 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Notepad Next是dail8859个人开发者的一个记事本软件。 Notepad Next v0.11及之前版本存在缓冲区错误漏洞，该漏洞源于lparser.C文件存在越界读取，可能导致堆缓冲区过度读取。
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
dail8859 NotepadNext 0 ~ v0.11 -

II. Public POCs for CVE-2025-52938

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III. Intelligence Information for CVE-2025-52938

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IV. Related Vulnerabilities

Same product: NotepadNext
Same vendor: dail8859
Same weakness: CWE-125