CVE-2021-47970
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductMacaron Notes
PublishedMay 16, 2026
First seenMay 16, 2026
Weakness typeCWE-789CWE-789
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Macaron Notes Macaron Notes | 5.5 | — |
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