CVE-2023-40549
5.5
MEDIUM
CVSS 3.1
EPSS 0.41%
描述
An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.
如何修補 CVE-2023-40549
要修補 CVE-2023-40549,請將受影響套件升級到下列已修補版本。
- Debian/shim—升級至 15.8-1~deb11u1 或更新版本
CVE-2023-40549 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, < 15.8-1~deb11u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |