It was found that Diffie Hellman Client key exchange handling in NSS 3.21.x was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group.
结论预警: CVE-2016-8635 综合评估为中等风险(50.2/100):CVSS 技术影响为中级,利用概率(EPSS 2.02%) 核心证据: 近一日 EPSS 上升 +1.57%,被利用关注度持续升高。 强制指令: 梳理受影响资产并纳入修补计划。
风险随态势动态变化;本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性;百分位表示该 CVE 在已评分漏洞中的相对排名(越高表示相对更严重)。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.44% | 2.02% | +1.57% |
| 2 | 2025-07-02 | 0.47% | 0.44% | -0.03% |
| 3 | 2025-03-30 | — | 0.47% | — |
完整 EPSS 历史 (共 12 条)
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 5.3 | 3.0 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.9 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-8635 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-8635 |
gentoo
|
normal | CVE-2016-8635: 1 GLSA(s) (201701-46), 1 atom(s) (dev-libs/nss); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-8635 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-8635 |
suse
|
medium | CVE-2016-8635 severity moderate: SUSE including 91 source package names (MozillaFirefox-45.9.0esr-105.1, MozillaFirefox-45.9.0esr-71.2, …), 471 product×package rows across 52 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (52 product lines)): Fixed 471. | https://www.suse.com/security/cve/CVE-2016-8635/ |
ubuntu
|
medium | CVE-2016-8635 medium priority: Ubuntu including 1 source packages (nss), 6 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): released 4, not-affected 2. | https://ubuntu.com/security/CVE-2016-8635 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| mozilla | network_security_services | >= 3.21, <= 3.21.4 | cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 5.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 5.0 | cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 6.0 | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.5 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_eus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.3 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 5.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| URL | 标签 |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2779.html | Third Party Advisory |
| http://www.securityfocus.com/bid/94346 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8635 | Issue Tracking Third Party Advisory |
| https://security.gentoo.org/glsa/201701-46 | Third Party Advisory |