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CVE-2021-47944

memono Notepad 4.2 Denial of Service via Buffer Overflow

CVSS 8.7 HIGHEPSS 0.3%CWE-789
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
memono · Notepad
public PoCs found — 1
cve_referencewww.exploit-db.com/exploits/49977unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://www.exploit-db.com/exploits/49977https://www.vulncheck.com/advisories/memono-notepad-denial-of-service-via-buffer-overflow