CVE-2021-47944 – memono Notepad 4.2 Denial of Service via Buffer Overflow

​CVE ID :CVE-2021-47944

Published : May 10, 2026, 1:16 p.m. | 4 hours, 3 minutes ago

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.

Severity: 8.7 | HIGH

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