CVE-2023-40031

Notepad++ vulnerable to heap buffer write overflow in Utf8_16_Read::convert

Published Aug 25, 2023 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer write overflow in `Utf8_16_Read::convert`. This issue may lead to arbitrary code execution. As of time of publication, no known patches are available in existing versions of Notepad++.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-44642 Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer write overflow in `Utf8_16_Read::convert`. This issue may lead to arbitrary code execution. As of time of publication, no known patches are available in existing versions of Notepad++.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Oct 2, 2024, 2:53 PM
Reserved
Aug 8, 2023, 1:46 PM
Status
Modified
Published
Aug 25, 2023, 8:15 PM
Modified
Jun 17, 2026, 6:15 AM