CVE-2021-47944— memono Notepad 4.2 Denial of Service via Buffer Overflow
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I. Basic Information for CVE-2021-47944
Vulnerability Information
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Vulnerability Title
memono Notepad 4.2 Denial of Service via Buffer Overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
memono Notepad 4.2 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character buffers into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash on iOS devices.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的内存分配
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-47944
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IV. Related Vulnerabilities
Same weakness: CWE-789
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CImg Library: Uncontrolled memory allocation via nb_colors f - CVE-2026-42440
Apache OpenNLP: OOM DoS via Unbounded Array Allocation in Ab - CVE-2018-25295
ObserverIP Scan Tool 1.4.0.1 Denial of Service via IP Field
V. Comments for CVE-2021-47944
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