PT-2026-41459 · Unknown · Sticky Notes Widget

Geovanni Ruiz · Published 2026-05-16 · Updated 2026-05-17 · CVE-2021-47973

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 Sticky Notes Widget version 3.0.6

Description A denial of service issue exists where attackers can crash the application on iOS devices. This is achieved by pasting excessively long character strings into note fields, specifically by pasting a payload containing 350000 repeated characters twice into a new note.

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

Exploit

DoS

Weakness Enumeration

CWE-789

Related Identifiers

CVE-2021-47973

Affected Products

Sticky Notes Widget

References · 5

• 🔥 https://exploit-db.com/exploits/49978 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47973 · Security Note
• https://t.me/CVEtracker/54013 · Telegram Post
• https://vulncheck.com/advisories/sticky-notes-widget-denial-of-service-via-buffer-overflow · Note
• https://twitter.com/CVEnew/status/2055866572493746265 · Twitter Post