CVE-2021-47970
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
May 16, 2026
Vendor
unknown
Description
Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field to trigger application crash and stop functionality.