Multiple vulnerabilities in Notepad++

Description

Multiple vulnerabilities were found in Notepad++. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. Heap buffer vulnerability in Utf8_16_Read::convert can be exploited to execute arbitrary code.
2. Buffer read overflow vulnerability in CharDistributionAnalysis::HandleOneChar can be exploited to obtain sensitive information.
3. Buffer read overflow vulnerability in nsCodingStateMachine::NextStater can be exploited to obtain sensitive information.
4. Heap buffer read overflow vulnerability in FileManager::detectLanguageFromTextBegining can be exploited to obtain sensitive information.

Original advisories

• Notepad++ v8.5.7 bug-fixes and new features:

Exploitation

Public exploits exist for this vulnerability.

Related products

• Notepad++

CVE list

• CVE-2023-40031
  critical
• CVE-2023-40036
  high
• CVE-2023-40164
  high
• CVE-2023-40166
  high

Read more

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