High severity7.5NVD Advisory· Published Jan 16, 2026· Updated Apr 15, 2026

CVE-2021-47824

Description

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.exploit-db.com/exploits/49898nvd
www.splinterware.com/index.htmlnvd
www.vulncheck.com/advisories/idailydiary-denial-of-service-pocnvd

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000