Integer underflow in the nsHtml5TreeBuilder class in the HTML5 string parser in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) by leveraging mishandling of end tags, as demonstrated by incorrect SVG processing, aka ZDI-CAN-3545.
結論預警: CVE-2016-1960 綜合評估為高可利用風險（84.4/100）：CVSS 技術影響為高級，利用機率偏高（EPSS 30.95%，百分位 98%） 核心證據: 已收錄 2 筆公開利用參考（Exploit-DB）。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
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。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| 44294 | exploit_db | edb | 2018-03-16 | Exploit-DB ↗ |
| 42484 | exploit_db | edb | 2017-08-18 | Exploit-DB ↗ |
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 | 2026-07-08 | 31.05% | 30.95% | -0.10% |
| 2 | 2026-06-15 | 86.45% | 31.05% | -55.41% |
| 3 | 2026-05-05 | — | 86.45% | — |
完整 EPSS 歷史 （共 16 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-2016-1960 not yet assigned priority: Debian including 2 source packages (firefox, firefox-esr), 6 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 6. | https://security-tracker.debian.org/tracker/CVE-2016-1960 |
gentoo
|
normal | CVE-2016-1960: 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-2016-1960 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2016-1960 |
suse
|
high | CVE-2016-1960 severity important: SUSE including 151 source package names (MozillaFirefox-102.11.0-150200.152.87.1, MozillaFirefox-115.10.0-150200.152.134.1, …), 389 product×package rows across 71 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (71 product lines)): Fixed 389. | https://www.suse.com/security/cve/CVE-2016-1960/ |
ubuntu
|
medium | CVE-2016-1960 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 10 status rows across 5 suites (precise, trusty, upstream, wily, xenial): released 9, not-affected 1. | https://ubuntu.com/security/CVE-2016-1960 |
: <a href="http://cwe.mitre.org/data/definitions/416.html">CWE-416: Use After Free</a>
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| 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:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| mozilla | thunderbird | <= 38.6.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| suse | linux_enterprise | 12.0 | cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:* |