CVE-2025-46556 (GCVE-0-2025-46556)

Vulnerability from cvelistv5 – Published: 2025-11-04 00:20 – Updated: 2025-11-06 20:44
VLAI
Title
MantisBT is Vulnerable to Denial-of-Service (DoS) attack via Excessive Note Length
Summary
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, the activity stream UI fails to render; therefore, new notes cannot be displayed, effectively breaking all future collaboration on the issue. This issue is fixed in version 2.27.2.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-06 20:44 UTC
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7797 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
mantisbt mantisbt Affected: < 2.27.2
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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