CVE-2021-47970
HighPublic PoC
Published: 16 May 2026
Published
16 May 2026
Modified
16 May 2026
KEV Added
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Patch
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CVSS Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
N/A
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-47970 is a high-severity Memory Allocation with Excessive Size Value (CWE-789) vulnerability. Its CVSS base score is 7.5 (High).
Operationally, it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
NVD Description
Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field…
more
to trigger application crash and stop functionality.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)