High severity7.5NVD Advisory· Published May 16, 2026· Updated May 18, 2026
CVE-2021-47969
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.
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Affected products
1- Range: = 1.4
Patches
Vulnerability mechanics
References
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