CVE-2021-47973
HighPublic PoC
Published: 16 May 2026
Published
16 May 2026
Modified
16 May 2026
KEV Added
—
Patch
—
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-2021-47973 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
Sticky Notes Widget 3.0.6 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 350000 repeated characters and paste it twice into…
more
a new note to trigger an application crash on iOS devices.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)