CVE-2025-46556
MantisBT Vulnerable to Denial-of-Service (DoS) via Excessive Note Length
6.5
MEDIUM
CVSS 3.1
EPSS 0.38%
描述
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 notes cannot be displayed, effectively breaking all future collaboration on the issue. ### Patches Fixed in 2.27.2. ### Workarounds None ### Credits Thanks to Mazen Mahmoud (@TheAmazeng) for reporting the vulnerability.
如何修補 CVE-2025-46556
要修補 CVE-2025-46556,請將受影響套件升級到下列已修補版本。
- —升級至 2.27.2 或更新版本
CVE-2025-46556 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 2.27.2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |