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.
結論預警: CVE-2016-1950 綜合評估為高風險（68.9/100）：CVSS 技術影響為高級，利用機率（EPSS 4.19%） 核心證據: 近一日 EPSS 上升 +2.33%，被利用關注度持續升高。 強制指令: 被利用機率偏高—請盤點暴露面並優先安排修補。
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 | 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 歷史 （共 23 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 |
|---|---|---|---|---|---|---|
| 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 |
| 廠商 | 產品 | 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:*:*:*:*:*:*:* |