CVE-2021-47824mediumCWE-1284

CVE-2021-47824: medium-severity vulnerability in Splinterware iDailyDiary

iDailyDiary 4.30 - Denial of Service (PoC)

Published 16 Jan 2026

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.6epss 0.4%

exploitation probability

0.4%top 73% of all CVEs

observed exploitation

nono source reports it

iDailyDiary 4.30 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the preferences tab name field. Attackers can paste a 2,000,000 character buffer into the default diary tab name to trigger an application crash.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected products

Splinterware · iDailyDiary

References

https://www.exploit-db.com/exploits/49898 https://www.splinterware.com/index.html https://www.vulncheck.com/advisories/idailydiary-denial-of-service-poc