R4Ck

**Name of the Vulnerable Software and Affected Versions** Flatnotes versions prior to 5.3.1 **Description** The issue is related to a denial of service through the `upload image function`. There is no information provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited. **Recommendations** For versions prior to 5.3.1, update to version 5.3.1 or later to resolve the issue. As a temporary workaround, consider disabling the image upload function until a patch is available. Restrict access to the upload image feature to minimize the risk of exploitation.