PT-2026-3280 · Unknown · Idailydiary

Ismael Nava · Published 2026-01-16 · Updated 2026-01-17 · CVE-2021-47824

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions iDailyDiary version 4.30

Description The application contains a denial of service issue that allows attackers to crash it. This is achieved by overflowing the preferences tab name field with a large input, specifically a 2,000,000 character buffer, when pasting it into the default diary tab name.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-1284

Related Identifiers

CVE-2021-47824

Affected Products

Idailydiary

References · 6

• 🔥 https://exploit-db.com/exploits/49898 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47824 · Security Note
• https://vulncheck.com/advisories/idailydiary-denial-of-service-poc · Note
• https://splinterware.com/index.html · Note
• https://twitter.com/RedPacketSec/status/2012332014154731893 · Twitter Post
• https://twitter.com/CVEnew/status/2012303219641434366 · Twitter Post