CVE-2026-27856
5.9
MEDIUM
CVSS 3.1
EPSS 0.39%
描述
Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port, install fixed version. No publicly available exploits are known.
如何修補 CVE-2026-27856
要修補 CVE-2026-27856,請將受影響套件升級到下列已修補版本。
- —升級至 2.4.3-r0 或更新版本
CVE-2026-27856 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)
- >= 3.0.0, < 2.4.3-r0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |