Heap-based buffer overflow in Mozilla Network Security Services (NSS) before 3.19.2.3 and 3.20.x and 3.21.x before 3.21.1, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to execute arbitrary code via crafted ASN.1 data in an X.509 certificate.
结论预警: CVE-2016-1950 综合评估为高风险（68.9/100）：CVSS 技术影响为高级，利用概率（EPSS 4.19%） 核心证据: 近一日 EPSS 上升 +2.33%，被利用关注度持续升高。 强制指令: 被利用概率偏高—请排查暴露面并优先安排修补。
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 | 1.87% | 4.19% | +2.33% |
| 2 | 2026-01-19 | 3.33% | 1.87% | -1.46% |
| 3 | 2025-12-28 | — | 3.33% | — |
完整 EPSS 历史 （共 23 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 |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-1950 not yet assigned priority: Debian including 3 source packages (firefox, firefox-esr, nss), 11 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 11. | https://security-tracker.debian.org/tracker/CVE-2016-1950 |
gentoo
|
normal | CVE-2016-1950: 1 GLSA(s) (201605-06), 6 atom(s) (dev-libs/nspr, dev-libs/nss, mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-1950 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2016-1950 |
suse
|
high | CVE-2016-1950 severity important: SUSE including 646 source package names (MozillaFirefox, MozillaFirefox-102.11.0-150200.152.87.1, …), 1102 product×package rows across 106 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (106 product lines)): Fixed 896, Known Affected 157, Known Not Affected 49. | https://www.suse.com/security/cve/CVE-2016-1950/ |
ubuntu
|
medium | CVE-2016-1950 medium priority: Ubuntu including 3 source packages (firefox, nss, thunderbird), 21 status rows across 7 suites (precise, trusty, upstream, wily, xenial, yakkety, zesty): released 18, not-affected 3. | https://ubuntu.com/security/CVE-2016-1950 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| mozilla | network_security_services | 3.19.2 | cpe:2.3:a:mozilla:network_security_services:3.19.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.20 | cpe:2.3:a:mozilla:network_security_services:3.20:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.20.1 | cpe:2.3:a:mozilla:network_security_services:3.20.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.21 | cpe:2.3:a:mozilla:network_security_services:3.21:*:*:*:*:*:*:* |
| mozilla | firefox | <= 44.0.2 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox | 38.0 | cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.0.1 | cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 38.0.5 | cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:* |
| mozilla | firefox | 38.1.0 | cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.1.1 | cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:* |
| mozilla | firefox | 38.2.0 | cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.2.1 | cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:* |
| mozilla | firefox | 38.3.0 | cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.4.0 | cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.5.0 | cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.5.1 | cpe:2.3:a:mozilla:firefox:38.5.1:*:*:*:*:*:*:* |
| mozilla | firefox | 38.6.0 | cpe:2.3:a:mozilla:firefox:38.6.0:*:*:*:*:*:*:* |
| mozilla | firefox | 38.6.1 | cpe:2.3:a:mozilla:firefox:38.6.1:*:*:*:*:*:*:* |
| oracle | linux | 5.0 | cpe:2.3:o:oracle:linux:5.0:*:*:*:*:*:*:* |
| oracle | linux | 6 | cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* |
| oracle | linux | 7 | cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* |
| oracle | vm_server | 3.2 | cpe:2.3:o:oracle:vm_server:3.2:*:*:*:*:*:*:* |
| apple | iphone_os | <= 9.2.1 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | mac_os_x | <= 10.11.3 | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
| apple | tvos | <= 9.1 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | watchos | <= 2.1 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| oracle | glassfish_server | 2.1.1 | cpe:2.3:a:oracle:glassfish_server:2.1.1:*:*:*:*:*:*:* |
| oracle | iplanet_web_proxy_server | 4.0 | cpe:2.3:a:oracle:iplanet_web_proxy_server:4.0:*:*:*:*:*:*:* |
| oracle | iplanet_web_server | 7.0 | cpe:2.3:a:oracle:iplanet_web_server:7.0:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |