High severity7.5NVD Advisory· Published May 10, 2026· Updated May 13, 2026
CVE-2021-47944
CVE-2021-47944
Description
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.
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Affected products
1- Range: = 4.2
Patches
Vulnerability mechanics
References
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