PT-2023-4643 · Notepad++ · Notepad++
Jaroslav Lobačevski
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Publicado
2023-08-21
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Atualizado
2025-08-19
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CVE-2023-40031
CVSS v3.1
7.8
Alta
| Vetor | AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Notepad++ versions 8.5.6 and prior
Description
The issue is related to a heap buffer write overflow in the
Utf8 16 Read::convert function, which may lead to arbitrary code execution when a user opens a specially crafted file. This can potentially allow an attacker to execute arbitrary code.Recommendations
For versions 8.5.6 and prior, update to version 8.5.7 or later to resolve the issue. As a temporary workaround, consider avoiding the use of the
Utf8 16 Read::convert function until a patch is available. Restrict access to potentially vulnerable files to minimize the risk of exploitation.Exploit
Correção
Buffer Overflow
Heap Based Buffer Overflow
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Identificadores relacionados
Produtos afetados
Notepad++