CVE-2021-47969

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductColor 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

ProductAffected versionsFixed in
color-notes Color Notes1.4—

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