HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2021-47944 — memono Notepad 4.2 contains a denial of service vulnerability that allows attack...

·Source: NIST NVD

Updated:

Executive Summary

memono Notepad 4.2 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character buffers into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash on iOS devices.

Analysis

memono Notepad 4.2 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character buffers into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash on iOS devices. CVSS Score: 7.5. Published: 2026-05-10T13:16:30.760.

Indicators of Compromise (1)

CVE (1)
CVE-2021-47944
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on May 10, 2026. Verified by: NIST.

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