CVE-2026-45185
9.8
CRITICAL
CVSS 3.1
EPSS 1.2%
描述
Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing path. It is triggered when a client sends a TLS close_notify mid-body during a CHUNKING transfer, followed by a final cleartext byte on the same TCP connection. This can lead to heap corruption. An unauthenticated network attacker exploiting this vulnerability could execute arbitrary code.
如何修補 CVE-2026-45185
要修補 CVE-2026-45185,請將受影響套件升級到下列已修補版本。
- —升級至 4.94.2-7+deb11u5 或更新版本
CVE-2026-45185 正在被利用嗎?
低 — EPSS 為 1.2%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.94.2-7+deb11u5
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |