CVE-2026-42012
7.1
HIGH
CVSS 3.1
EPSS 0.35%
描述
A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier (URI) or Service (SRV) Subject Alternative Names (SANs). This could cause the certificate validation process to incorrectly fall back to checking DNS hostnames against the Common Name (CN), potentially allowing the attacker to spoof legitimate services or intercept sensitive information.
如何修補 CVE-2026-42012
要修補 CVE-2026-42012,請將受影響套件升級到下列已修補版本。
- —升級至 3.8.13-r0 或更新版本
- —升級至 3.7.1-5+deb11u10 或更新版本
CVE-2026-42012 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(2)
- from 0, < 3.8.13-r0
- from 0, < 3.7.1-5+deb11u10
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N |