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High · 7.5 CVE-2021-47969 EUVD-2021-34826GHSA-f83w-w68r-f82v

Color Notes 1.4 Denial of Service via Long Character String

Published May 16, 2026 · Updated May 18, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
color-notes Color Notes 1.4 —

References