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High · 7.5 CVE-2021-47944 EUVD-2021-34804GHSA-8wmx-4c83-gcjf

memono Notepad 4.2 Denial of Service via Buffer Overflow

Published May 10, 2026 · Updated May 12, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
memono Notepad 4.2 —

References