CVE-2021-47824 - CVE House
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Status published Medium CVE-2021-47824

iDailyDiary 4.30 - Denial of Service (PoC)

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ismael Nava

Affected Vendor

Splinterware

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Affected Software

iDailyDiary
Vulnerable Versions:
4.30

Timeline

Official Publish: January 16th, 2026
Last Modified: January 16th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.