High severity7.5NVD Advisory· Published May 16, 2026

CVE-2021-47969

Description

Color Notes 1.4 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields. Attackers can generate a payload containing 350,000 repeated characters and paste it twice into a new note to cause the application to stop responding.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.exploit-db.com/exploits/49952nvd
www.vulncheck.com/advisories/color-notes-denial-of-service-via-long-character-stringnvd

News mentions

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