CVE-2021-47970

Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field to trigger application crash...

Improper Input Validation

mantisbt/mantisbt is vulnerable to improper input validation. The vulnerability is due to lack of server-side validation on note length, which allows an attacker to submit excessively long notes and corrupt the issue activity logs, thereby breaking the activity stream UI and preventing future...

CVE-2025-46556

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.27.1 and below allow attackers to permanently corrupt issue activity logs by submitting extremely long notes tested with 4,788,761 characters due to a lack of server-side validation of note length. Once such a note is added,...

CVE-2025-46556

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.27.1 and below allow attackers to permanently corrupt issue activity logs by submitting extremely long notes tested with 4,788,761 characters due to a lack of server-side validation of note length. Once such a note is added,...

CVE-2025-46556

CVE-2025-46556 – MantisBT (Mantis Bug Tracker) Affected software: MantisBT up to version 2.27.1.Root cause: lack of server-side validation of note length allows extremely long notes to be submitted.Impact: permanently corrupts issue activity logs; the activity stream UI fails to render, preventin...

CVE-2025-46556 MantisBT is Vulnerable to Denial-of-Service (DoS) attack via Excessive Note Length

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.27.1 and below allow attackers to permanently corrupt issue activity logs by submitting extremely long notes tested with 4,788,761 characters due to a lack of server-side validation of note length. Once such a note is added,...

CVE-2025-46556 MantisBT is Vulnerable to Denial-of-Service (DoS) attack via Excessive Note Length

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.27.1 and below allow attackers to permanently corrupt issue activity logs by submitting extremely long notes tested with 4,788,761 characters due to a lack of server-side validation of note length. Once such a note is added,...

PT-2025-44808

Name of the Vulnerable Software and Affected Versions Mantis Bug Tracker versions 2.27.1 and below Description Mantis Bug Tracker is an open source issue tracker. A lack of server-side validation of note length allows attackers to permanently corrupt issue activity logs by submitting extremely lo...

Allocation of Resources Without Limits or Throttling

Overview mantisbt/mantisbt is a mantis bug tracker. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to lack of note length validation. An attacker can cause permanent corruption of issue activity logs and disrupt collaboration by...

GHSA-R3JF-HM7Q-QFW5 MantisBT Vulnerable to Denial-of-Service (DoS) via Excessive Note Length

A lack of server-side validation for note length in MantisBT allows attackers to permanently corrupt issue activity logs by submitting extremely long notes tested with 4,788,761 characters. Once such a note is added: Impact - The entire activity stream becomes unviewable UI fails to render. - New...