CVE-2026-5525
A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds checking, resulting in a stack buffer overflow and application crash (STATUS_STACK_BUFFER_OVERRUN).
Schwachstellenklasse
A stack-based buffer overflow vulnerability exists in Notepad++ version 8.9.3 in the file drop handler component. When a user drags and drops a directory path of exactly 259 characters without a trailing backslash, the application appends a backslash and null terminator without proper bounds checking, resulting in a stack buffer overflow and application crash (STATUS_STACK_BUFFER_OVERRUN).
Betroffene Produkte
- notepad-plus-plus notepad\+\+
Quellen
- https://github.com/notepad-plus-plus/notepad-plus-plus/commit/bfe7514d68bc559534c046c4ef2d1865267aa2b0
- https://github.com/notepad-plus-plus/notepad-plus-plus/issues/17921
- https://github.com/notepad-plus-plus/notepad-plus-plus/pull/17930
- https://github.com/notepad-plus-plus/notepad-plus-plus/issues/17921
Finden Sie die Schwachstelle, bevor es ein Angreifer tut.
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