CVE-2025-52938

Potential heap-based buffer over-read vulnerability in NotepadNext

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.

Category

5.1
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.01%
Third-Party Advisory github.com
Affected: dail8859 NotepadNext
Published at:
Updated at:

References

Link Tags
https://github.com/dail8859/NotepadNext/pull/756 third party advisory patch
https://github.com/dail8859/NotepadNext/commit/66b8a97d9fdfd2257996875716f39c18d84e004f patch

Frequently Asked Questions

What is the severity of CVE-2025-52938?
CVE-2025-52938 has been scored as a medium severity vulnerability.
How to fix CVE-2025-52938?
To fix CVE-2025-52938, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-52938 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-52938 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-52938?
CVE-2025-52938 affects dail8859 NotepadNext.
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