CVE-2021-47824 MEDIUM

CVE-2021-47824: iDailyDiary 4.30 - Denial of Service (PoC)

Vendor Splinterware
Product iDailyDiary
Weakness CWE-1284
Published January 16, 2026
Last update January 16, 2026
View on NVD All CVEs

CVSS base score

4.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 16, 2026 CVE published
January 16, 2026 Record updated