LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.
結論預警: CVE-2017-8301 綜合評估為中等風險（42.3/100）：CVSS 技術影響為中級，利用機率（EPSS 1.01%） 強制指令: 梳理受影響資產並納入修補計畫。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.43% | 1.01% | +0.58% |
| 2 | 2026-05-30 | 0.21% | 0.43% | +0.23% |
| 3 | 2025-11-21 | — | 0.21% | — |
完整 EPSS 歷史 （共 6 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 5.3 | 3.0 | MEDIUM |
|
1.6 | 3.6 | [email protected] |
| 2.6 | 2.0 | LOW |
|
4.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2017-8301: 1 source package rows (libressl); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2017-8301 |
| URL | 標籤 |
|---|---|
| http://seclists.org/oss-sec/2017/q2/145 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/98076 | Third Party Advisory VDB Entry |
| https://github.com/libressl-portable/portable/issues/307 | Issue Tracking Patch Third Party Advisory |
| https://trac.nginx.org/nginx/ticket/1257 | Issue Tracking Patch Third Party Advisory |