TI-2021-22584 CVE-2021-47971 · GHSA-w4w9-25xj-f9j4My Notes Safe 5.3 Denial of Service via Buffer OverflowPriority HIGH 77My Notes Safe 5.3 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings into note fields.CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00284 · Published 2026-05-16 · No fix listed CWE-789