VULNERABILITY INTELLIGENCE
CVE-2021-47944
CVSS score8.7 HIGH
EPSS probability0.28%
CISA KEVNot currently listed
Published2026-05-10
Last modified2026-07-25
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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.
Weakness classification
- CWE-789: Memory Allocation with Excessive Size Value